* {
  margin: 0;
  padding: 0;
  border: 0;
}



.screen_wrap h1,.screen_wrap h2,.screen_wrap h3,.screen_wrap h4 {
	margin: 0;
    padding:0;
    font-size: 18px; 
	line-height: 25px;
}

.screen_wrap h2{
background-image:none;
}

.screen_wrap div, .screen_wrap ul, .screen_wrap li {
	margin: 0;
	padding: 0;
}
.screen_wrap p {
	padding: 0 4px;
	font-size: 14px;
	line-height: 25px;
	background-image: url("/bar.gif");
}
li {
	list-style: inside none;
}



.screen_wrap {
	width: 300px;
	height: 300px;
	border: solid 10px #eee;
	margin: 50px auto;
    background-color: #fff;
}

	.screen {
		width: 100%;
		height: 100%;
		overflow: hidden;
		position: relative;
	}
	ul.quiz {
		width: 2350px;
		overflow: hidden;
		margin-top: 300px;
		margin-left: 300px;
	}
	.quiz li {
		width: 240px;
		height: 230px;
		padding: 10px;
		position: relative;
		border: solid 1px #999;
		margin-bottom: 10px;
		margin-right: 10px;
		float: left;
		border-radius: 5px;
		box-shadow: 2px 2px 4px #999;
	}
	.quiz li .ctrl {
		position: absolute;
		bottom: 0;
		right: 20px;
	}
	.quiz li .ctrl button {
		width: 100%;
		min-width: 120px;
		float: right;
		clear: right;
		line-height: 24px;
		margin-bottom: 10px;
	}


.screen_wrap button {
	background-color: #ddd;
	border: solid 1px #333;
	border-radius: 4px;
	box-shadow: 1px 1px 1px #999;
	padding-left: 24px
}
	.yes {
		background: #ddd url("/yes.gif") no-repeat 4px center;
	}
	.no {
		background: #ddd url("/no.gif") no-repeat 4px center;
	}
	.return {
		background: #ddd url("/return.gif") no-repeat 4px center;
	}

.center{
 display: block;
margin-left:auto;
margin-right:auto;
text-align:center;
}