/* Back-To-Top button css */
      #back-to-top {
        position: fixed; bottom: 20px; right: 20px;
        z-index:9999;

        cursor:pointer;
        text-decoration:none;

        width: 0px; height: 0px;
        background: #b91715;

        border:0;
        border-radius:5px;
        transition: opacity 2.4s ease-out, transform 0.8s;
        opacity:0;
      }

      #back-to-top::before {
        content:'';
        position:absolute;
        top:50%;
        left:50%;
        margin-left:-8px;
        margin-top:-12px;
        height:0;
        width:0;
        border: 8px solid transparent;
        border-bottom-color:#ffffff;
      }

      #back-to-top.show {
        width: 50px; height: 50px;
        filter:"alpha(opacity=75)";
        -ms-filter:"alpha(opacity=75)";
        opacity:0.75;
        transform:rotate(360deg);
      }

      #back-to-top.show:hover {
        background-color:#c92725;
      }