.reveal pre,.codeblock{width:100%}.codeblock{margin:20px auto;position:relative}.codeblock pre{margin:0;width:100%;font-size:1.5rem}.codeblock>button{opacity:0.5;z-index:1;display:block;position:absolute;right:15px;top:0;background:orange;color:black;border:0;margin:0;padding:.2em .5em;font-family:inherit;font-size:1.5rem;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;-webkit-transition:width .5s, background-color .5s, opacity .5s;transition:width .5s, background-color .5s, opacity .5s;cursor:pointer}.codeblock>button:hover,pre>button:hover{opacity:1}.codeblock>button[disabled]{opacity:1;background:green;color:white;cursor:default}.codeblock>button:focus{outline:0}