#grp_gui{
    background-color: #f4f5f6;
    line-height: 50px;
    display: flex;
    border: #e0e0e0 1px solid;

    &.invi{
        height: 0;
        opacity: 0;
    }
    &.vi{
        height: auto;
        opacity: 1;
        transition: 500ms all;
    }
    button{
        height: 40px;
        border: 1px solid #0c81f5;
        background: #0c81f5;
        color: #FFF;
    }

}