Template:Nmbox/styles.css

.nmbox { clear: both; background: #f8f9fa; border: 1px solid #AAA; box-sizing: border-box; margin: 2px 0; padding: 0; } .nmbox * { box-sizing: border-box; } .nmbox-header { background: #eaecf0; padding: 4px 0.5em; font-weight: bold; text-align: center; white-space: nowrap } .nmbox .mbox-image { display: inline-block; } .nmbox-text { border-top: 1px solid #AAA; width: 100%; padding: 4px 0.5em; } @media screen and (min-width: 768px) { .nmbox-header { display: table-cell; border-right: 1px solid #AAA; width: 1%; }	.nmbox-text { border-top: none; display: table-cell; } }