0.1

package.json

@@ -0,0 +1,32 @@
+{
+  "name": "random-user",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "react": "^16.8.6",
+    "react-dom": "^16.8.6",
+    "react-scripts": "3.0.1"
+  },
+  "scripts": {
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test",
+    "eject": "react-scripts eject",
+    "less":"less-watch-compiler ./src_less ./public/ main.less"
+  },
+  "eslintConfig": {
+    "extends": "react-app"
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
+  }
+}

public/data/class/classes.json

@@ -0,0 +1,5 @@
+{
+    "classes":[
+        "example"
+    ]
+}

public/data/class/example/user.json

@@ -0,0 +1,8 @@
+{
+    "user":[
+        "max_mustermann",
+        "bernd_baecker",
+        "fred_fischer",
+        "charley_"
+    ]
+}

public/data/class/student.svg

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   id="svg5401"
+   height="512"
+   width="512">
+  <metadata
+     id="metadata5438">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs5436" />
+  <path
+     id="body-bg-flat"
+     style="stroke: none; fill: rgb(255, 255, 255)"
+     fill-rule="nonzero"
+     d="M 111.000000,504.000000 C 111.000000,504.000000 100.698120,413.688873 189.440002,403.613342 C 189.440002,403.613342 227.413330,403.613342 227.413330,403.613342 C 227.413330,403.613342 227.413330,386.119995 227.413330,386.119995 C 227.413330,386.119995 254.125000,397.593323 281.173340,387.399994 C 281.173340,387.399994 282.026672,403.613342 282.026672,403.613342 C 282.026672,403.613342 326.399994,403.613342 326.399994,403.613342 C 326.399994,403.613342 403.673462,411.327606 399.000000,504.000000 C 399.000000,504.000000 111.000000,504.000000 111.000000,504.000000 Z" />
+   <path
+     id="glasses"
+     style="stroke: none; fill: rgb(59, 68, 79)"
+     fill-rule="evenodd"
+     d="M 348.939911,228.879608 C 348.362732,233.809509 347.855652,239.842255 346.789673,245.235870 C 343.602081,261.364380 329.743378,276.307343 306.079590,278.009949 C 282.415833,279.712555 262.275787,267.799591 261.095551,251.401581 C 260.895447,248.621277 260.360138,245.501251 259.949341,242.467896 C 256.600494,240.611298 253.148895,240.607056 249.594574,242.455261 C 249.179474,245.557281 248.623993,248.759369 248.419128,251.606171 C 247.235199,268.058533 227.031647,280.010986 203.293243,278.302734 C 179.554840,276.594482 165.652435,261.602020 162.454773,245.420044 C 161.385437,240.008545 160.876770,233.955811 160.297760,229.009552 C 160.297760,229.009552 156.809448,228.758514 156.809448,228.758514 C 156.809448,228.758514 157.299438,221.949463 157.299438,221.949463 C 157.299438,221.949463 158.150574,222.010712 158.150574,222.010712 C 158.150574,222.010712 179.739105,223.564270 179.739105,223.564270 C 179.739105,223.564270 197.962189,224.875641 197.962189,224.875641 C 197.962189,224.875641 216.219147,226.189423 216.219147,226.189423 C 216.219147,226.189423 244.655823,228.235779 244.655823,228.235779 C 246.617004,228.483826 247.921082,229.324921 248.760895,230.580536 C 252.844788,232.368225 256.811005,232.375366 260.659515,230.601654 C 261.491730,229.265259 262.813354,228.365540 264.847015,228.108368 C 264.847015,228.108368 293.194305,226.068787 293.194305,226.068787 C 293.194305,226.068787 311.393890,224.759338 311.393890,224.759338 C 311.393890,224.759338 329.559692,223.452301 329.559692,223.452301 C 329.559692,223.452301 351.080353,221.903870 351.080353,221.903870 C 351.080353,221.903870 351.928802,221.842834 351.928802,221.842834 C 351.928802,221.842834 352.417267,228.629395 352.417267,228.629395 C 352.417267,228.629395 348.939911,228.879608 348.939911,228.879608 Z M 237.019867,236.237274 C 237.019867,236.237274 181.288300,232.226746 181.288300,232.226746 C 173.999054,231.598328 171.415344,239.789520 170.966095,246.032532 C 170.018951,259.194397 184.684265,270.974823 203.721985,272.344818 C 222.759705,273.714783 238.960663,264.155579 239.907806,250.993683 C 240.357056,244.750702 242.396210,240.895111 237.019867,236.237274 Z M 338.305115,245.846344 C 337.857269,239.623962 335.281677,231.459808 328.015350,232.086151 C 328.015350,232.086151 272.458984,236.083435 272.458984,236.083435 C 267.099548,240.725922 269.132294,244.568726 269.580109,250.791107 C 270.524292,263.909515 286.674316,273.437164 305.652191,272.071686 C 324.630066,270.706238 339.249298,258.964722 338.305115,245.846344 Z" />
+  <path
+     id="Shape 7"
+     style="stroke: none; fill: rgb(59, 67, 79)"
+     fill-rule="nonzero"
+     d="M 163.016968,261.106659 C 163.016968,261.106659 174.886597,209.110748 185.215393,194.888000 C 195.544189,180.665253 204.482269,177.263428 209.121399,176.828369 C 213.760529,176.393341 250.293213,187.192657 300.476440,174.821716 C 300.476440,174.821716 320.263580,174.032013 328.651367,193.884705 C 328.651367,193.884705 346.335724,225.522369 349.142212,257.093414 C 349.142212,257.093414 352.557343,257.093414 352.557343,257.093414 C 352.557343,257.093414 359.794525,201.750519 356.826324,168.801849 C 353.858032,135.853210 310.721863,119.639526 310.721863,119.639526 C 310.721863,119.639526 320.113495,112.616302 320.113495,112.616302 C 320.113495,112.616302 298.186890,105.838074 289.377228,109.606415 C 289.377228,109.606415 296.207489,95.559998 296.207489,95.559998 C 296.207489,95.559998 251.957397,95.648193 227.050873,115.626251 C 227.050873,115.626251 227.904663,105.593109 227.904663,105.593109 C 227.904663,105.593109 140.114838,119.055573 158.748047,259.100037 C 158.748047,259.100037 163.016968,261.106659 163.016968,261.106659 Z" />
+</svg>

public/index.html

@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <meta name="theme-color" content="#000000" />
+    <!--
+      manifest.json provides metadata used when your web app is installed on a
+      user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
+    -->
+    <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
+    <!--
+      Notice the use of %PUBLIC_URL% in the tags above.
+      It will be replaced with the URL of the `public` folder during the build.
+      Only files inside the `public` folder can be referenced from the HTML.
+
+      Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
+      work correctly both with client-side routing and a non-root public URL.
+      Learn how to configure a non-root public URL by running `npm run build`.
+    -->
+    <title>React App</title>
+    <link href="main.css" rel="stylesheet"/>
+  </head>
+  <body>
+    <noscript>You need to enable JavaScript to run this app.</noscript>
+    <div id="root"></div>
+    <!--
+      This HTML file is a template.
+      If you open it directly in the browser, you will see an empty page.
+
+      You can add webfonts, meta tags, or analytics to this file.
+      The build step will place the bundled scripts into the <body> tag.
+
+      To begin the development, run `npm start` or `yarn start`.
+      To create a production bundle, use `npm run build` or `yarn build`.
+    -->
+  </body>
+</html>

public/manifest.json

@@ -0,0 +1,15 @@
+{
+  "short_name": "React App",
+  "name": "Create React App Sample",
+  "icons": [
+    {
+      "src": "favicon.ico",
+      "sizes": "64x64 32x32 24x24 16x16",
+      "type": "image/x-icon"
+    }
+  ],
+  "start_url": ".",
+  "display": "standalone",
+  "theme_color": "#000000",
+  "background_color": "#ffffff"
+}

src/App.css

@@ -0,0 +1,33 @@
+.App {
+  text-align: center;
+}
+
+.App-logo {
+  animation: App-logo-spin infinite 20s linear;
+  height: 40vmin;
+  pointer-events: none;
+}
+
+.App-header {
+  background-color: #282c34;
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  font-size: calc(10px + 2vmin);
+  color: white;
+}
+
+.App-link {
+  color: #61dafb;
+}
+
+@keyframes App-logo-spin {
+  from {
+    transform: rotate(0deg);
+  }
+  to {
+    transform: rotate(360deg);
+  }
+}

src/App.js

@@ -0,0 +1,12 @@
+import React from 'react';
+import { Main } from './jsx/main';
+
+function App() {
+  return (
+    <div className="App">
+      <Main/>
+    </div>
+  );
+}
+
+export default App;

src/App.test.js

@@ -0,0 +1,9 @@
+import React from 'react';
+import ReactDOM from 'react-dom';
+import App from './App';
+
+it('renders without crashing', () => {
+  const div = document.createElement('div');
+  ReactDOM.render(<App />, div);
+  ReactDOM.unmountComponentAtNode(div);
+});

src/index.css

@@ -0,0 +1,13 @@
+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
+    "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue",
+    sans-serif;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+code {
+  font-family: source-code-pro, Menlo, Monaco, Consolas, "Courier New",
+    monospace;
+}

src/index.js

@@ -0,0 +1,11 @@
+import React from 'react';
+import ReactDOM from 'react-dom';
+import App from './App';
+import * as serviceWorker from './serviceWorker';
+
+ReactDOM.render(<App />, document.getElementById('root'));
+
+// If you want your app to work offline and load faster, you can change
+// unregister() to register() below. Note this comes with some pitfalls.
+// Learn more about service workers: https://bit.ly/CRA-PWA
+serviceWorker.unregister();

src/jsx/class/class_loader.jsx

@@ -0,0 +1,8 @@
+export class Classes{
+    static class_list = [];
+    static load_Classes(cb){
+        fetch('/data/class/classes.json')
+            .then(response => response.json())
+            .then(data => cb(data));
+    }
+}

src/jsx/class/students_loader.jsx

@@ -0,0 +1,11 @@
+export class Students_loader{
+    constructor(){
+
+    }
+    static loadStudents(cl,cb){
+        fetch('/data/class/'+cl+'/user.json')
+        .then(response => response.json())
+        .then(data => cb(data));
+    }
+
+}

src/jsx/main.jsx

@@ -0,0 +1,60 @@
+import React from 'react';
+
+import {Classes} from './class/class_loader';
+import {Students_loader} from './class/students_loader';
+import { Student } from './ui/student';
+
+export class Main extends React.Component{
+    constructor(props){
+        super(props);
+        this.state = {
+            classes :['1'],
+            selected:"-",
+            students:[],
+            stud_html:[]
+        }
+        
+        this.selCh = this.selCh.bind(this);
+        
+        var me = this;
+        Classes.load_Classes((data)=>{
+            me.setState({classes:data.classes});
+        });
+    }
+    selCh(e){
+        console.log(e.target.value);
+        var v = e.target.value;
+        var me = this;
+        if(v!='-'){
+            Students_loader.loadStudents(e.target.value,(data)=>{
+                console.log(data)
+                me.setState({students:[],stud_html:[]});
+                var ht = [];
+                data.user.map((cl,i)=>
+                    ht.push(<Student username={cl} cl={this.state.selected} i={i}></Student>)
+                )
+                console.log(ht[0])
+                me.setState({students:data.user,selected:v,stud_html:ht})
+            })
+        }else{
+            me.setState({students:[],selected:v,stud_html:[]})
+        }
+    }
+    render(){
+        return (
+            <div>
+                <div className="nav">
+                    <select onChange={this.selCh} value={this.state.selected}> 
+                        <option value="-">-</option>
+                        {this.state.classes.map((cl,i)=>
+                        <option value={cl.toLowerCase()}>{cl.toUpperCase()}</option>  
+                        )}
+                    </select>
+                </div>
+                <div className="studentList">
+                    {this.state.stud_html}
+                </div>
+            </div>
+        )
+    }
+}

src/jsx/ui/student.jsx

@@ -0,0 +1,36 @@
+import React from 'react';
+
+export class Student extends React.Component{
+    constructor(props){
+        super(props);
+        this.state = {
+            username:this.camelize(props.username),
+            name:props.username,
+            cl:props.cl,
+            img_url:'/data/class/'+props.cl+'/'+props.username+'.svg',
+            num:props.i
+        }
+        
+        this.onErr = this.onErr.bind(this);
+    }
+    camelize(str) {
+        var x = str.split('_');
+        for(var i in x){
+            x[i] = x[i].charAt(0).toUpperCase() + x[i].slice(1);
+        }
+        return x.join(' ');
+    }
+    onErr(){
+        var url = '/data/class/student.svg';
+        this.setState({img_url:url});
+    }
+    render(){
+        var c = "user chosen_"+this.state.num;
+        return (
+            <div className={c}>
+                <div className="user_img"><img src={this.state.img_url} onError={this.onErr}></img></div>
+                <div className="username">{this.state.username}</div>
+            </div>
+        );
+    }
+}

src/logo.svg

@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 841.9 595.3">
+    <g fill="#61DAFB">
+        <path d="M666.3 296.5c0-32.5-40.7-63.3-103.1-82.4 14.4-63.6 8-114.2-20.2-130.4-6.5-3.8-14.1-5.6-22.4-5.6v22.3c4.6 0 8.3.9 11.4 2.6 13.6 7.8 19.5 37.5 14.9 75.7-1.1 9.4-2.9 19.3-5.1 29.4-19.6-4.8-41-8.5-63.5-10.9-13.5-18.5-27.5-35.3-41.6-50 32.6-30.3 63.2-46.9 84-46.9V78c-27.5 0-63.5 19.6-99.9 53.6-36.4-33.8-72.4-53.2-99.9-53.2v22.3c20.7 0 51.4 16.5 84 46.6-14 14.7-28 31.4-41.3 49.9-22.6 2.4-44 6.1-63.6 11-2.3-10-4-19.7-5.2-29-4.7-38.2 1.1-67.9 14.6-75.8 3-1.8 6.9-2.6 11.5-2.6V78.5c-8.4 0-16 1.8-22.6 5.6-28.1 16.2-34.4 66.7-19.9 130.1-62.2 19.2-102.7 49.9-102.7 82.3 0 32.5 40.7 63.3 103.1 82.4-14.4 63.6-8 114.2 20.2 130.4 6.5 3.8 14.1 5.6 22.5 5.6 27.5 0 63.5-19.6 99.9-53.6 36.4 33.8 72.4 53.2 99.9 53.2 8.4 0 16-1.8 22.6-5.6 28.1-16.2 34.4-66.7 19.9-130.1 62-19.1 102.5-49.9 102.5-82.3zm-130.2-66.7c-3.7 12.9-8.3 26.2-13.5 39.5-4.1-8-8.4-16-13.1-24-4.6-8-9.5-15.8-14.4-23.4 14.2 2.1 27.9 4.7 41 7.9zm-45.8 106.5c-7.8 13.5-15.8 26.3-24.1 38.2-14.9 1.3-30 2-45.2 2-15.1 0-30.2-.7-45-1.9-8.3-11.9-16.4-24.6-24.2-38-7.6-13.1-14.5-26.4-20.8-39.8 6.2-13.4 13.2-26.8 20.7-39.9 7.8-13.5 15.8-26.3 24.1-38.2 14.9-1.3 30-2 45.2-2 15.1 0 30.2.7 45 1.9 8.3 11.9 16.4 24.6 24.2 38 7.6 13.1 14.5 26.4 20.8 39.8-6.3 13.4-13.2 26.8-20.7 39.9zm32.3-13c5.4 13.4 10 26.8 13.8 39.8-13.1 3.2-26.9 5.9-41.2 8 4.9-7.7 9.8-15.6 14.4-23.7 4.6-8 8.9-16.1 13-24.1zM421.2 430c-9.3-9.6-18.6-20.3-27.8-32 9 .4 18.2.7 27.5.7 9.4 0 18.7-.2 27.8-.7-9 11.7-18.3 22.4-27.5 32zm-74.4-58.9c-14.2-2.1-27.9-4.7-41-7.9 3.7-12.9 8.3-26.2 13.5-39.5 4.1 8 8.4 16 13.1 24 4.7 8 9.5 15.8 14.4 23.4zM420.7 163c9.3 9.6 18.6 20.3 27.8 32-9-.4-18.2-.7-27.5-.7-9.4 0-18.7.2-27.8.7 9-11.7 18.3-22.4 27.5-32zm-74 58.9c-4.9 7.7-9.8 15.6-14.4 23.7-4.6 8-8.9 16-13 24-5.4-13.4-10-26.8-13.8-39.8 13.1-3.1 26.9-5.8 41.2-7.9zm-90.5 125.2c-35.4-15.1-58.3-34.9-58.3-50.6 0-15.7 22.9-35.6 58.3-50.6 8.6-3.7 18-7 27.7-10.1 5.7 19.6 13.2 40 22.5 60.9-9.2 20.8-16.6 41.1-22.2 60.6-9.9-3.1-19.3-6.5-28-10.2zM310 490c-13.6-7.8-19.5-37.5-14.9-75.7 1.1-9.4 2.9-19.3 5.1-29.4 19.6 4.8 41 8.5 63.5 10.9 13.5 18.5 27.5 35.3 41.6 50-32.6 30.3-63.2 46.9-84 46.9-4.5-.1-8.3-1-11.3-2.7zm237.2-76.2c4.7 38.2-1.1 67.9-14.6 75.8-3 1.8-6.9 2.6-11.5 2.6-20.7 0-51.4-16.5-84-46.6 14-14.7 28-31.4 41.3-49.9 22.6-2.4 44-6.1 63.6-11 2.3 10.1 4.1 19.8 5.2 29.1zm38.5-66.7c-8.6 3.7-18 7-27.7 10.1-5.7-19.6-13.2-40-22.5-60.9 9.2-20.8 16.6-41.1 22.2-60.6 9.9 3.1 19.3 6.5 28.1 10.2 35.4 15.1 58.3 34.9 58.3 50.6-.1 15.7-23 35.6-58.4 50.6zM320.8 78.4z"/>
+        <circle cx="420.9" cy="296.5" r="45.7"/>
+        <path d="M520.5 78.1z"/>
+    </g>
+</svg>

src/serviceWorker.js

@@ -0,0 +1,135 @@
+// This optional code is used to register a service worker.
+// register() is not called by default.
+
+// This lets the app load faster on subsequent visits in production, and gives
+// it offline capabilities. However, it also means that developers (and users)
+// will only see deployed updates on subsequent visits to a page, after all the
+// existing tabs open on the page have been closed, since previously cached
+// resources are updated in the background.
+
+// To learn more about the benefits of this model and instructions on how to
+// opt-in, read https://bit.ly/CRA-PWA
+
+const isLocalhost = Boolean(
+  window.location.hostname === 'localhost' ||
+    // [::1] is the IPv6 localhost address.
+    window.location.hostname === '[::1]' ||
+    // 127.0.0.1/8 is considered localhost for IPv4.
+    window.location.hostname.match(
+      /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
+    )
+);
+
+export function register(config) {
+  if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
+    // The URL constructor is available in all browsers that support SW.
+    const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href);
+    if (publicUrl.origin !== window.location.origin) {
+      // Our service worker won't work if PUBLIC_URL is on a different origin
+      // from what our page is served on. This might happen if a CDN is used to
+      // serve assets; see https://github.com/facebook/create-react-app/issues/2374
+      return;
+    }
+
+    window.addEventListener('load', () => {
+      const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
+
+      if (isLocalhost) {
+        // This is running on localhost. Let's check if a service worker still exists or not.
+        checkValidServiceWorker(swUrl, config);
+
+        // Add some additional logging to localhost, pointing developers to the
+        // service worker/PWA documentation.
+        navigator.serviceWorker.ready.then(() => {
+          console.log(
+            'This web app is being served cache-first by a service ' +
+              'worker. To learn more, visit https://bit.ly/CRA-PWA'
+          );
+        });
+      } else {
+        // Is not localhost. Just register service worker
+        registerValidSW(swUrl, config);
+      }
+    });
+  }
+}
+
+function registerValidSW(swUrl, config) {
+  navigator.serviceWorker
+    .register(swUrl)
+    .then(registration => {
+      registration.onupdatefound = () => {
+        const installingWorker = registration.installing;
+        if (installingWorker == null) {
+          return;
+        }
+        installingWorker.onstatechange = () => {
+          if (installingWorker.state === 'installed') {
+            if (navigator.serviceWorker.controller) {
+              // At this point, the updated precached content has been fetched,
+              // but the previous service worker will still serve the older
+              // content until all client tabs are closed.
+              console.log(
+                'New content is available and will be used when all ' +
+                  'tabs for this page are closed. See https://bit.ly/CRA-PWA.'
+              );
+
+              // Execute callback
+              if (config && config.onUpdate) {
+                config.onUpdate(registration);
+              }
+            } else {
+              // At this point, everything has been precached.
+              // It's the perfect time to display a
+              // "Content is cached for offline use." message.
+              console.log('Content is cached for offline use.');
+
+              // Execute callback
+              if (config && config.onSuccess) {
+                config.onSuccess(registration);
+              }
+            }
+          }
+        };
+      };
+    })
+    .catch(error => {
+      console.error('Error during service worker registration:', error);
+    });
+}
+
+function checkValidServiceWorker(swUrl, config) {
+  // Check if the service worker can be found. If it can't reload the page.
+  fetch(swUrl)
+    .then(response => {
+      // Ensure service worker exists, and that we really are getting a JS file.
+      const contentType = response.headers.get('content-type');
+      if (
+        response.status === 404 ||
+        (contentType != null && contentType.indexOf('javascript') === -1)
+      ) {
+        // No service worker found. Probably a different app. Reload the page.
+        navigator.serviceWorker.ready.then(registration => {
+          registration.unregister().then(() => {
+            window.location.reload();
+          });
+        });
+      } else {
+        // Service worker found. Proceed as normal.
+        registerValidSW(swUrl, config);
+      }
+    })
+    .catch(() => {
+      console.log(
+        'No internet connection found. App is running in offline mode.'
+      );
+    });
+}
+
+export function unregister() {
+  if ('serviceWorker' in navigator) {
+    navigator.serviceWorker.ready.then(registration => {
+      registration.unregister();
+    });
+  }
+}

src_less/main.less

@@ -0,0 +1,40 @@
+@bg-color:#FFF;
+
+*{
+    box-sizing: border-box;
+}
+html,body{
+    margin:0;
+}
+.nav{
+    background-color:#353b48;
+    height:50px;
+    line-height: 50px;
+    select{
+        height: 42px;
+        border: 0;
+        outline:0;
+        min-width: 200px;
+    }
+}
+
+.studentList{
+    display: flex;
+    flex-wrap: wrap;
+    .user{
+        border: 1px solid #454545;
+        margin: 5px;
+        padding: 5px;
+        .user_img{
+            img{
+                width:200px;
+                height:200px;
+            }
+        }
+        .username{
+            text-align: center;
+            display: inline-block;
+            width: 200px;
+        }
+    }
+}