html,body{margin: 0;}
#guscio{
    width: 100%;
    height: 400px;
    }
.video {
    max-width: 100%;
    height: auto;
    margin-top: 10px;
    }
   .content {
  position: fixed;
  bottom: 160px;
  background: rgba(0, 0, 0, 0);
  color: #f1f1f1;
  width: 100%;
  padding: 20px;
}