engine/public/stylesheets/admin/buttons.css

.button {
	display: inline-block;
	background: transparent url(/images/admin/buttons/dark-gray-left.png) no-repeat 0 0;
	padding: 0px 0px 0px 2px;
	font-size: 0.9em;
	color: white;
	cursor: pointer;
	border: none;
	height: 31px;
	outline: none;
}

.button span {
	display: inline-block;
	background: transparent url(/images/admin/buttons/dark-gray-right.png) no-repeat right top;
	position: relative;
	top: -1px;
	padding: 3px 9px 9px 4px;
	line-height: 21px;
	text-shadow: 1px 1px 1px #000;
	outline: none;
}

@media screen and (-webkit-min-device-pixel-ratio:0) {
	.button { padding-left: 5px; }
	.button span { top: 0px; }
}

.button.light {
	background-image: url(/images/admin/buttons/light-gray-left.png);
	color: #787a89;
}

.button.light span {
	background-image: url(/images/admin/buttons/light-gray-right.png);
	text-shadow: 1px 1px 1px #fff;
}

.button.small {
	background: #ebedf4;
	outline: none;
	-moz-border-radius : 10px;
	-webkit-border-radius: 10px;
	color: #787a89;
	height: 20px;
	font-size: 0.7em;
	padding: 0px 12px 0px 12px;
	color: #8B8D9A !important;
	text-decoration: none;
	color: #8B8D9A;
	text-shadow: 1px 1px 1px #fff;
}

.button.small.add {
}

.button.remove {
	color: #ff092c !important;
	font-size: 1.1em;
}

.button.remove:hover { text-decoration: underline; }