iframe-proxy | Sunbelt Computer Software

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/* Copy buttons */
a.copybtn {
    position: absolute;
    top: .2em;
    right: .2em;
    width: 1em;
    height: 1em;
	opacity: .3;
    transition: opacity 0.5s;
    border: none;
    user-select: none;
div.highlight  {
    position: relative;
a.copybtn > img {
    vertical-align: top;
    margin: 0;
    top: 0;
    left: 0;
    position: absolute;
.highlight:hover .copybtn {
	opacity: 1;
 * A minimal CSS-only tooltip copied from:
 *   https://codepen.io/mildrenben/pen/rVBrpK
 * To use, write HTML like the following:
 * <p class="o-tooltip--left" data-tooltip="Hey">Short</p>
 .o-tooltip--left {
  position: relative;
 .o-tooltip--left:after {
    opacity: 0;
    visibility: hidden;
    position: absolute;
    content: attr(data-tooltip);
    padding: 2px;
    top: 0;
    left: -.2em;
    background: grey;
    font-size: 1rem;
    color: white;
    white-space: nowrap;
    z-index: 2;
    border-radius: 2px;
    transform: translateX(-102%) translateY(0);
    transition: opacity 0.2s cubic-bezier(0.64, 0.09, 0.08, 1), transform 0.2s cubic-bezier(0.64, 0.09, 0.08, 1);
.o-tooltip--left:hover:after {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateX(-100%) translateY(0);
    transition: opacity 0.2s cubic-bezier(0.64, 0.09, 0.08, 1), transform 0.2s cubic-bezier(0.64, 0.09, 0.08, 1);
    transition-delay: .5s;

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