MediaWiki:Vector-2022.css

/* Hide site name, tagline, and any text */
.mw-wiki-title,
.vector-logo-tagline,
.mw-logo-wordmark,
.mw-logo-tagline {
    display: none !important;
}

/* Fix overflow on parent containers */
.mw-logo,
.mw-logo a,
.vector-header-start {
    overflow: visible !important;
}

/* Fill the logo container */
.mw-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.mw-logo-icon {
    width: 75% !important;
    height: 75% !important;
    max-width: 75%;
    border-radius: 50%;
    overflow: visible !important;
    object-fit: contain;
    padding: 4%;
    box-sizing: border-box;
}