.T4Tutorials{position:fixed;bottom:0;height:90px;left:0;right:0;background:red;transition:opacity 500ms;visibility:visible;opacity:1}.T4Tutorials:target{visibility:hidden;opacity:0;display:none}.T4Tutorials_UP{margin:5px auto;padding:0;background:#fff;border-radius:5px;width:80%;position:relative}.T4Tutorials_UP h2{margin-top:0;color:green;font-family:Tahoma,Arial,sans-serif}.T4Tutorials_UP .Exit{position:absolute;top:-40px;right:0;font-size:30px;font-weight:700;text-decoration:none;color:#fff;background-color:#fff}.T4Tutorials_UP .Exit:hover{color:orange}.T4Tutorials_UP .Main_Content{max-height:30%;overflow:auto}