View source for Module:Message box/Mbox.css

/**
 * {{ombox}} (other pages message box) styles
 *
 * @source https://www.mediawiki.org/wiki/MediaWiki:Gadget-enwp-boxes.css
 * @revision 2021-07-15
 */
table.ombox {
	margin: 4px 10%;
	border-collapse: collapse;
	/* Default "notice" gray */
	border: 1px solid #a2a9b1;
	background-color: #f8f9fa;
	box-sizing: border-box;
}

/* An empty narrow cell */
.ombox td.mbox-empty-cell {
	border: none;
	padding: 0;
	width: 1px;
}

/* The message body cell(s) */
.ombox th.mbox-text,
.ombox td.mbox-text {
	border: none;
	/* 0.9em left/right */
	padding: 0.25em 0.9em;
	/* Make all mboxes the same width regardless of text length */
	width: 100%;
}

/* The left image cell */
.ombox td.mbox-image {
	border: none;
	text-align: center;
	/* 0.9em left, 0px right */
	/* @noflip */
	padding: 2px 0 2px 0.9em;
}

/* The right image cell */
.ombox td.mbox-imageright {
	border: none;
	text-align: center;
	/* 0px left, 0.9em right */
	/* @noflip */
	padding: 2px 0.9em 2px 0;
}

table.ombox-notice {
	/* Gray */
	border-color: #a2a9b1;
}

table.ombox-speedy {
	/* Pink */
	background-color: #fee7e6;
}

table.ombox-speedy,
table.ombox-delete {
	/* Red */
	border-color: #b32424;
	border-width: 2px;
}

table.ombox-content {
	/* Orange */
	border-color: #f28500;
}

table.ombox-style {
	/* Yellow */
	border-color: #fc3;
}

table.ombox-move {
	/* Purple */
	border-color: #9932cc;
}

table.ombox-protection {
	/* Gray-gold */
	border-color: #a2a9b1;
	border-width: 2px;
}

/**
 * {{ombox|small=1}} styles
 *
 * These ".mbox-small" classes must be placed after all other
 * ".ombox" classes. "html body.mediawiki .ombox"
 * is so they apply only to other page message boxes.
 *
 * @source https://www.mediawiki.org/wiki/MediaWiki:Gadget-enwp-boxes.css
 * @revision 2021-07-15
 */

/* For the "small=yes" option. */
html body.mediawiki .ombox.mbox-small {
	clear: right;
	float: right;
	margin: 4px 0 4px 1em;
	box-sizing: border-box;
	width: 238px;
	font-size: 88%;
	line-height: 1.25em;
}

/* Cell sizes for ambox/tmbox/imbox/cmbox/ombox/fmbox/dmbox message boxes */
th.mbox-text, td.mbox-text {   /* The message body cell(s) */
	padding: 0.25em 0.9em;     /* 0.9em left/right */
}
td.mbox-image {                /* The left image cell */
	padding: 2px 0 2px 0.9em;  /* 0.9em left, 0px right */
}
td.mbox-imageright {           /* The right image cell */
	padding: 2px 0.9em 2px 0;  /* 0px left, 0.9em right */
}
/* Footer and header message box styles */
table.fmbox {
    clear: both;
    margin: 0.2em 0;
    width: 100%;
    border: 1px solid #a2a9b1;
    background-color: #f8f9fa;     /* Default "system" gray */
    box-sizing: border-box;
}
table.fmbox-system {
    background-color: #f8f9fa;
}
table.fmbox-warning {
    border: 1px solid #bb7070;  /* Dark pink */
    background-color: #ffdbdb;  /* Pink */
}
table.fmbox-editnotice {
    background-color: transparent;
}