.copy-to-clipboard-button {
    position: absolute;
    display: grid;
    grid-auto-flow: column;
    align-items: center;
    grid-column-gap: 4px;
    right: 0;
    padding: 4px 8px;
    margin: 5px;
    border: none;
    z-index: 1;
    opacity: 0;
    transition: 0.1s;
}

.copy-to-clipboard-button:hover {
    cursor: pointer;
}
.copy-to-clipboard-button:hover > svg {
}
.copy-to-clipboard-button:focus {
    outline: 0;
}
.highlight {
    position: relative;
}
.highlight:hover > .copy-to-clipboard-button {
    opacity: 1;
    transition: 0.2s;
}