.banner ul
{
	width: 100%;
	height: 50%;
	background: #CCC;
	margin: 0;
	padding: 0;
	overflow:hidden;
}
.banner ul li:first-child
{
	width: 60%;
	background-size:cover;
	background-position: left;
}

.banner ul li:first-child .content
{
	bottom: 0;
	transition: 0.3s;
	transition-delay: 0.1s;
	opacity: 1;
}

.banner ul li
{
	list-style: none;
	position: relative;
	width: 20%;
	height: 100%;
	border-right: 1px solid #000;
	float: left;
	box-sizing: border-box;
	transition: 0.5s;
	text-align: center;
	overflow:hidden;
	border-color:gray;
	background-repeat:no-repeat;
}

.banner ul:hover li
{
	width: 10%;
}

.banner ul li:hover
{
	width: 60%;
}

.banner ul li .content
{
	position: relative;
	bottom: -100%;
	left: 0;
	width: 100%;
	background: rgba(0,0,0,0.8);
	box-sizing: border-box;
	color: #fff;
	padding:10px;
}

.banner ul li:hover .content
{
	bottom: 0;
	transition: 0.3s;
	transition-delay: 0.1s;
	opacity: 1;
}