@media (min-width: 300px) {
  #top {
    position: fixed;
    bottom: 15px;
    right: 15px;
    z-index: 99;
    font-size: 10px;
    font-family: 'Cabin';
    border: groove;
    /*outline: none;*/
    background-color: #00a3e4;
    color: white;
    cursor: pointer;
    padding: 15px;
    border-radius: 1px;
    border: none;
    display: none;
  }
}

@media (min-width: 992px) {
  #top {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 10px;
    /*left: 607px;*/
    z-index: 99;
    font-size: 9px;
    font-family: 'Cabin';
    /*border: groove;*/
    /*outline: none;*/
    background-color: #00a3e4;
    color: white;
    cursor: pointer;
    padding: 15px;
    border-radius: 1px;
    border: none;
  }
}

#top a:hover {
  background-color: #555;
}