@media only screen and (max-width:921px){
  #feedback{
    display: none;
  }
}
@media only screen and (min-width:921.1px){
  #feedback{
    position: fixed;
    bottom:-315px;
    right:40px;
    z-index: 1001;
  }
  #feedback_top{
    background: #f06;
    padding: 5px 20px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    top:-32px;
    right:0;
    color: #fff;
    z-index: 100;
    border-radius: 5px 5px 0 0;
  }
  #feedback_content{
    background: #333;
    background: var(--heading-background);
    padding: 20px;
    height:315px;
    width:350px;
    border:5px #f06 solid;
    border-bottom:0;
  }
}
@media only print{
  #feedback{
    display: none;
  }
}