workadventure/front/style/mobile-style.scss

@media screen and (max-width: 700px),
        screen and (max-height: 700px){
  video#myCamVideo {
    width: 150px;
  }

  .sidebar {
    width: 20%;
    min-width: 200px;
    position: absolute;
    display: block;
    right: 0;
    height: 80%;

    &> div {
      max-height: 120px;
      min-width: 200px;
    }

    .video-container{
      min-width: 200px;
    }
  }

  .btn-cam-action {
    min-width: 150px;

    &:hover{
      transform: translateY(20px);
    }
    div {
      margin: 0 1%;
      &:hover {
        background-color: #666;
      }
      margin-bottom: 30px;
    }
  }

  .main-section {
    position: absolute;
    width: 100%;
    min-width: 400px;

    & > div {
      z-index: 2;
    }
  }
}