.errata-preview-tip {
    display: none;
    position: fixed;
    z-index: 10000;
    box-sizing: border-box;
    max-width: 720px;
    max-height: min(70vh, 560px);
    overflow: auto;
    overscroll-behavior: contain;
    margin: 0;
    padding: 4px 16px 12px;
    background: #fff;
    color: #333;
    border: 1px solid #d6d6d6;
    border-top: 3px solid #2980b9;
    border-radius: 0 0 4px 4px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    font-size: 14px;
    font-weight: normal;
    line-height: 1.55;
    text-align: left;
    white-space: normal;
}

.errata-preview-tip.visible {
    display: block;
}

.errata-preview-tip h1 {
    font-size: 1.05rem;
    line-height: 1.35;
    margin: 0.6em 0 0.4em;
}

.errata-preview-tip h2 {
    font-size: 0.95rem;
    margin: 0.9em 0 0.35em;
}

.errata-preview-tip p,
.errata-preview-tip li {
    font-size: 14px;
}

.errata-preview-tip .math {
    overflow-x: auto;
}

.errata-preview-tip pre {
    white-space: pre-wrap;
}