.tab {
    float: left;
    /* border: 1px solid #ccc; */
    background-color: rgb(255, 255, 255);
    width: 100%;
    height: auto;
  }
  
  /* Style the buttons inside the tab */
  .tab button {
    display: block;
    background-color: #fff;
    /* color: black; */
    padding: 22px 30px;
    width: 100%;
    border: none;
    outline: none;
    text-align: left;
    cursor: pointer;
    transition: 0.3s;
    font-size: 20px;
    color: inherit;
  }
  
  /* Change background color of buttons on hover */
  .tab button:hover {
    background-color: #4058a4;
    color: #fff;
  }
  
  /* Create an active/current "tab button" class */
  .tab button.active {
    background-color: #39A68C;
    color: #fff;
  }

    /* Create an active/current " button.tablinks." class */
  button.tablinks.active {
    background-color: #39A68C;
    color: #fff;
  }


  
  
  /* Style the tab content */
  .tabcontent {
    float: left;
    padding: 0px 12px;
    /* border: 1px solid #ccc; */
    width: 100%;
    border-left: none;
  }

.tab-tete{
    background-color: #ccc !important;
    color: rgb(100, 100, 100);
}
.tab-tete:hover{
    background-color: #ccc !important;
    color: rgb(100, 100, 100);
}

.video-cours{
    width: 100%;
    height: 200px;
    background-color: lavender;
}

.video-youtube{
    width: 100%;
    height: 100%;
}

.btn-qcm{
  border: 2px solid orange;
  width: 100%;
  height: auto;
  color: rgb(100, 100, 100);
  border-radius: 0;
  padding: 20px 0px;
}

.btn-qcm:hover{
  color: orange;
}