zs-starter-template/assets/css/site.css

/* Anchors */
h1:hover .anchor:before,
h2:hover .anchor:before,
h3:hover .anchor:before,
h4:hover .anchor:before,
h5:hover .anchor:before,
h6:hover .anchor:before {
    width: 16px;
    height: 16px;
    content: ' ';
    display: inline-block;
    background-color: currentColor;
    -webkit-mask-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' version='1.1' aria-hidden='true'><path fill-rule='evenodd' d='M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z'></path></svg>");
    mask-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' version='1.1' aria-hidden='true'><path fill-rule='evenodd' d='M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z'></path></svg>");
}

/* Editor */
header:hover .edit:before {
    width: 16px;
    height: 16px;
    content: ' ';
    display: inline-block;
    background-color: currentColor;
    -webkit-mask-image: url('data:image/svg+xml,%3Csvg xmlns="http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg" width="16" height="16" viewBox="0 0 24 24"%3E%3Cpath fill="currentColor" d="m19.3 8.925l-4.25-4.2l1.4-1.4q.575-.575 1.413-.575t1.412.575l1.4 1.4q.575.575.6 1.388t-.55 1.387L19.3 8.925ZM17.85 10.4L7.25 21H3v-4.25l10.6-10.6l4.25 4.25Z"%2F%3E%3C%2Fsvg%3E');
    mask-image: url('data:image/svg+xml,%3Csvg xmlns="http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg" width="16" height="16" viewBox="0 0 24 24"%3E%3Cpath fill="currentColor" d="m19.3 8.925l-4.25-4.2l1.4-1.4q.575-.575 1.413-.575t1.412.575l1.4 1.4q.575.575.6 1.388t-.55 1.387L19.3 8.925ZM17.85 10.4L7.25 21H3v-4.25l10.6-10.6l4.25 4.25Z"%2F%3E%3C%2Fsvg%3E');
}

.hidden {
    display: none;
}

/* Fences */

.blue {
    background-color: steelblue;
    padding: 5px;
}

#insideme {
    color: yellow;
}

.red {
    background-color: red;
}