copy-2-clip.css

code,
pre {
    position: relative;
}

code,
pre {
    display: block;
    padding: 20px;
    background: #f2f2f2;
    color: #555755;
}

span.command-copy {
    position: absolute;
    top: 10px;
    right: 10px;
    opacity: .6;
    font-size: 20px;
    color: #555755;
}

span.command-copy:hover {
    cursor: pointer;
}