MediaWiki:Common.css

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/* Ensure all wikitables are centered */
.wikitable {
    margin-left: auto !important;
    margin-right: auto !important;
    width: 600px !important; /* Specify the width as needed */
}

/* Just in case there are specific classes applied */
table.wikitable {
    margin-left: auto !important;
    margin-right: auto !important;
}

/* Optional: Center-align the text within the table */
.wikitable td, .wikitable th {
    text-align: center !important;
}