.my_box {
  opacity : 0.7;
  border: 1px solid grey;
  border-radius: 6px;
  margin-right: 9px;
  margin-bottom: 9px;
}
.my_box:hover {
  opacity: 1;
  border: 1px solid #CF4F2B;
}
.my_anime {
  position: relative;
  background: url(../../media/pics/cinematic_gif_11.gif) no-repeat center center fixed;
  height: 100vh; 
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}
.my_cfusee {
  position: absolute;
  bottom: 0;
  right: 0;
}
.my_scroll {
  position: absolute;
  width: 80px;
  bottom: 10px;
  right: 10px;
}
.my_chrome {
  position: absolute;
  background-color: #e9cbba;
  color: #f9eae1;
  margin-left: 40px;
}
.my_chrome:hover {
  background-color: #cf4f2b;
}
.my_video {
    display: block;
    width: 550px;
}
@media screen and (max-width: 700px) {
  .my_cfusee {
    display: none;
  }
  .my_scroll {
    display: none;
  }  
  .my_video {
    width: 412px;
  }
  .my_chrome {
    display: none;
  }  
  .my_nbquest {
    display: none;
  }  
  .my_progress {
    display: none;
  }     
}