MediaWiki:Gadget-copyTable.css

/* Wrapper around each table (added by the gadget JS). It is the block that:
   - is full-width (the table is width:100%, so the wrapper must be a block;
     NOT inline-block, which shrink-wraps and collapses the table's width:100%);
   - is the horizontal SCROLL CONTAINER (overflow-x:auto works on this block,
     never on the <table> element itself);
   - clears the float so the unit drops below a right-floated infobox;
   - anchors the copy button (position:relative). */
.copy-table-wrapper {
    position: relative;
    display: block;
    max-width: 100%;
    clear: both;
    overflow-x: auto;
}

/* Copy button: top-right corner, barely visible at rest, appears on hover */
.copy-table-btn {
    position: absolute;
    top: 0px;
    right: 0px;
    padding: 5px;
    line-height: 1;
    border: 1px solid transparent;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.7);
    color: #72777d;
    cursor: pointer;
    opacity: 0.3;
    transition: opacity 0.2s, background 0.2s, border-color 0.2s;
}
.copy-table-btn:hover {
    opacity: 1;
    background: #ffffff;
    border-color: #a2a9b1;
    color: #202122;
}

/* Green checkmark after successful copy */
.copy-table-btn--ok {
    opacity: 1;
    color: #00af89;
}