.math-container {
    display: block;
    padding: 5px;
    min-height: 80px;
}

.MathPreview {
    display: block;
    background-color: #f1f1f1;
    padding: 5px;
    min-width: 60px;
    border-radius: 4px;
    display: inline-block;
    min-height: 30px;
}

.quiz {
    border: none;
    border-bottom: 1px solid #000;
    width: 70%
    min-width: 100px;
}

#loadingDiv {
    position: fixed;
    cursor1: wait;
    width: auto;
    height: 57px; 
    line-height: 57px; 
    padding-left: 50px; 
    padding-right: 5px; 
    background: #fff url(/static/img/loading.gif) no-repeat scroll 5px 10px; 
    border: 2px solid #95B8E7; 
    color: #696969; 
    font-family:\'Microsoft YaHei\';
}

.lesson h1, .lesson h2, .lesson h3, .lesson h4 {
    text-align: center;
}

#top {
	position: fixed;
	right: 25px;
	bottom: 10px;
	width: 60px;
	height: 60px;
	background-color: #bbb;
	border-radius:7px;
	opacity: 0.8;
	display: none;
	z-index: 888;
}
#top .arrow{
	margin:0 auto;
	padding-top:11px;
	width:0;
	height: 0;
	border-right: 15px solid transparent;
	border-left: 15px solid transparent; 
	border-bottom: 15px solid #7f7f7f;
	
}
#top .stick{
	margin:0 auto;
	padding-bottom:21px;
	width: 13px;
	border-bottom: 13px solid #bbb;
	background-color: #7f7f7f;
}

textarea.quiz {
    margin-top: 10px;
    margin-left: 50px;
    width: 500px;
    height: 30px;
    -moz-border-bottom-colors: none;
    -moz-border-left-colors: none;
    -moz-border-right-colors: none;
    -moz-border-top-colors: none;
    background: none repeat scroll 0 0 rgba(0, 0, 0, 0.07);
    border-color: -moz-use-text-color #FFFFFF #FFFFFF -moz-use-text-color;
    border-image: none;
    border-radius: 6px 6px 6px 6px;
    border-style: none solid solid none;
    border-width: medium 1px 1px medium;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12) inset;
    color: #555555;
    font-size: 1em;
    line-height: 1.4em;
    padding: 5px 8px;
    transition: background-color 0.2s ease 0s;
}

textarea.quiz:focus {
    background: none repeat scroll 0 0 #FFFFFF;
    min-height: 100px;
    outline-width: 0;
    border: 1px solid rgba(81, 203, 238, 1);
}

.small_step {
    border-style:solid; 
    border-top-width:0px;   
    border-right-width:0px;   
    border-bottom-width:1px;   
    border-left-width:0px;
    border-radius: 8px;
    width: 90%;
    display: inline-block;
}

.process {
    padding: 2px 10px;
    overflow: auto;
    background-color: #fcf8e3;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.process input {
    background-color: #fcf8e3;
}