MediaWiki:Common.css

/* CSS placed here will be applied to all skins */
.alert--success {
    background-color: #00a40026; /* Highlight background color */
    color: #4CAF50; /* Foreground color */
    border: 1px solid #4CAF50; /* Border color */
    border-radius: 5px; /* Rounded corners */
    padding: 10px; /* Padding */
    margin: 10px 0; /* Margin */
}

.alert--success .admonitionHeading_Gvgb {
    font-weight: bold; /* Heading style */
    margin-bottom: 5px; /* Space below heading */
}

.alert--success .admonitionContent_BuS1 {
    margin: 5px 0; /* Space around content */
}

.alert--success .admonitionIcon_Rf37 {
    margin-right: 5px; /* Space between icon and text */
}

/* Hide username, password fields and the login button */
#wpName1, #wpPassword1, #wpLoginAttempt {
    display: none;
}