.width-384 {
	width: 384px;
}
.width-257 {
	width: 257px;
}

.float-left {
	float: left;
}
.float-right {
	float: right;
}

.margin-top-5 {
	margin: 5px 0 0 0;
}
.margin-top-10 {
	margin: 10px 0 0 0;
}
.margin-top-15 {
	margin: 15px 0 0 0;
}
.margin-top-20 {
	margin: 20px 0 0 0;
}

.height-40 {
	height: 40px;
}
.height-10 {
	height: 10px;
	line-height: 0.1em;
	font-size: 1px;
}
.height-1 {
	height: 1px;
	line-height: 0.1em;
	font-size: 1px;
}
div.bg-black {
	background: #000;
}