User:The wub/tocExpandAll.css

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Documentation for this user script can be added at User:The wub/tocExpandAll. This user script seems to have an accompanying .js page at User:The wub/tocExpandAll.js.

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/* Styles copied from .vector-pinnable-header-toggle-button */

.vector-feature-zebra-design-disabled .vector-toc-header-button {
    display: none;
    border: 0;
    padding: 0;
    background-color: transparent;
    color: #3366cc;
    cursor: pointer;
    text-align: left;
}

.vector-feature-zebra-design-disabled .vector-toc-header-button:hover {
    color: #447ff5;
}

.vector-feature-zebra-design-disabled .vector-toc-header-button::before {
    content: '[';
    color: #54595d;
}

.vector-feature-zebra-design-disabled .vector-toc-header-button::after {
    content: ']';
    color: #54595d;
}

.vector-feature-zebra-design-enabled .vector-toc-header-button {
    display: none;
    border: 0;
    padding: 4px 8px;
    background-color: #eaecf0;
    color: #202122;
    cursor: pointer;
    text-align: left;
    font-size: 0.75rem;
    border-radius: 2px;
}

.vector-feature-zebra-design-enabled .vector-toc-header-button:hover {
    background-color: #f8f9fa;
}