.wp-block-code {
position: relative;
margin: 1.5em 0;
}
.copy-code-btn {
position: absolute;
top: 8px;
right: 8px;
padding: 6px 10px;
font-size: 12px;
background: #0073e6;
color: #fff;
border: none;
border-radius: 4px;
cursor: pointer;
opacity: .85;
transition: .2s ease;
z-index: 2;
}
.copy-code-btn:hover {
opacity: 1;
}
.copy-code-btn.copied {
background: #28a745;
}
.copy-code-btn.error {
background: #dc3545;
}
.wp-block-code pre {
padding: 40px 14px 14px;
border-radius: 6px;
overflow-x: auto;
}