css_style.html

    <style type="text/css">
     .libraryh3lp a {
       background: #002f5e;
       border: 0;
       box-sizing: inherit;
       color: #fff;
       cursor: pointer;
       font-size: 16px;
       line-height:  1em;
       padding: 18px;
       position: fixed;
       text-align: center;
       text-decoration: none;
       z-index: 100;
       bottom: -1px;
       right: 30%;
       font-family: "Open Sans", sans-serif;
       transition: padding 0.3s ease-out;
     }
     .libraryh3lp a:hover {
       padding-bottom: 1.4em;
     }
    .libraryh3lp span {
       padding-left: 10px;
    }
    </style>