JSFiddle - React, Tailwind, and code Playground

by humanzing

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.2.1/Chart.js"></script>
<div class="dashboard">
  <div>
  <label>
  <a>Menu</a>
  <input type="checkbox">
  <span>
    <h4>UDF Panel</h4>

<ul>
<li>Exchange</li>
<li>Refresh</li>
<li>Listes</li>
<li>Add</li>
</ul>
<!-- <ul>
<li>Les règles</li>
<li>Impulsive 12345</li>
<li>Corrective ABC</li>
<li>Triangle D'Eliott ABCDE</li>
<li>Triple Combo WXYXZ</li>
<li>Double Combo WXY</li>
</ul>-->
<ul>
<li>Admin</li>
<li>Change PW</li>
<li>Logout</li>
</ul>
  </span>
</label>
  </div>
  <div>
       
  </div>
</div>

CSS

html, body {
  height: 100%;
  font-family: 'Lato', sans-serif;
  overflow: hidden;
}
body {
  background: linear-gradient(135deg, rgba(65,131,155,1) 0%,rgba(51,98,123,1) 100%);
  padding:0;
  margin:0;
}
*:focus {
    outline: none;
}
* {
  box-sizing: border-box;
}
.dashboard {
  width: 80%;
  height: 80vh;
  background: #202b33;
  margin: 60px auto;
  border-radius: 4px;
  overflow: hidden;
  min-height:350px;
  display: grid;
  grid-template-columns: 20% 80%;
  position:relative;
}
.dashboard > div{
  padding: 30px;
}
.dashboard > div:nth-child(2){
      padding: 30px;
      position:relative;
      overflow-y: auto;
}
.dashboard > div > label > a{
  color:#fff;
  display:none;
 
}
.dashboard > div > label > a:hover{
  color:#ddd;
    cursor:pointer;
}
.dashboard > div > label > input[type="checkbox"]{
  display:none; 
}
.dashboard > div > label > span {
 margin-top:15px;
 }
.dashboard > div > label > span > h4{
  text-align:center;
  margin: 10px 0;
      font-size: 13px;
    font-weight: 200;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin: 0;
    color:white;
}
.dashboard > div > label  > span > ul{
  text-align:center;
  list-style:none;
  padding:0;
  margin:0;
  text-align:left;
  padding-left:5px;
  padding-right:5px;
      margin: 24px 0;
}
.dashboard > div > label > span > ul > li{
  text-align:center;
   text-align:left;
   cursor:pointer;
     overflow: hidden;
  //text-overflow: ellipsis;
  white-space: nowrap;
}
.dashboard > div > label > span > ul > li > a{
  background: rgba(255,255,255,0.2);
  border-radius:5px;
  padding:3px 7px;
  margin: 0 15px;
  color:white;
}
.dashboard > div > label > span > ul > li:first-child {
    height: 35px;
    line-height: 35px;
    font-size: 16px;
    font-weight: 400;
    color: #fff;
    cursor: default;

}
.dashboard > div > label > span > ul > li:hover:first-child {

}
.dashboard > div > label > span > ul > li:hover {
  color:white;
}
.dashboard > div > label > span > ul > li {
   ...

JavaScript

function filterFunction() {
  var input, filter, ul, li, a, i;
  input = document.getElementById("myInput");
  filter = input.value.toUpperCase();
  div = document.getElementById("myDropdown");
  a = div.getElementsByTagName("a");
  for (i = 0; i < a.length; i++) {
    if (a[i].innerHTML.toUpperCase().indexOf(filter) > -1) {
      a[i].style.display = "";
    } else {
      a[i].style.display = "none";
    }
  }
}
function f(t)
{
	document.getElementById("myInput").value = t.innerText;
}
function a(t)
{
	document.getElementById("myInput").value = t.innerText;
}