MediaWiki:Common.css

.mw-warning-box {
    display: flex;
    align-items: center;
    gap: 12px;

    border: 1px solid #e6c200;
    background-color: #fff8d6;
    color: #333;

    padding: 12px 14px;
    margin: 1em 0;
    border-radius: 6px;
}

.mw-warning-icon {
    font-size: 1.8em;
    line-height: 1;
    margin-top: 2px;
}

.mw-warning-content {
    flex: 1;
}

.mw-warning-title {
    font-weight: bold;
    margin-bottom: 4px;
}

.mw-warning-text {
    color: #222;
}