/* 页面整体 */
html {
	height: 100%;
}
/*
body {

	height: 100%;
	margin: auto;
	max-width: 580px;
	font-size: 14px;
	font-family: Helvetica, Arial, sans-serif;
}
*/
body {
	max-width: 780px;
}
.list-group{
	position: relative;
	display: block;
	padding: 10px;
	margin-bottom: -1px;
	border: solid #ddd;
	margin-top: 5px;
	margin-bottom:10px;
}

#customers {
font-family: Arial, Helvetica, sans-serif;
border-collapse: collapse;
width: 800px;
}


#customers td, #customers thead {
border: 1px solid #ddd;
padding: 8px;
}

#customers tr:nth-child(even){background-color: #f2f2f2;}

#customers tr:hover {background-color: #ddd;}

#customers thead {
padding-top: 12px;
padding-bottom: 12px;
text-align: left;
background-color: #B81C22;
color: white;
}



#divhover div:hover {background-color: #F0FFFF;}

.page-wrap {
  min-height: 100%;
  /* 相当于底部的高度 */
  margin-bottom: -20px; 
}
.page-wrap:after {
  content: "";
  display: block;
}
.site-footer, .page-wrap:after {
  height: 10px; 
}

/* 页脚 */
footer {
	color: #888;
	margin-top: -15px;
	text-align: center;
	padding: 10px;
}

.tMainBody {
    background-color: #FFF;
	margin:auto ;
    margin-bottom: 10px;
    position: relative;
    zoom: 1
}

.studyUnit {
    margin: 10px;
    padding: 10px 6px;
    zoom: 1
}
input[type=submit] {
	font-family: inherit;
}

input[type=text] {
	border: 1px solid #ddd;
}

input[name=year] {
	width: 50px;
}

.btn {
	font-size: 12px;
	padding: 3px 5px;
	text-decoration: none;
	cursor: pointer;
	background-color: white;
	color: black;
	border: 1px solid #555555;
	border-radius: 5px;
}

.btn:hover {
	text-decoration: none;
	background-color: black;
	color: white;
	border: 1px solid black;
}

.alert {
	position: relative;
	padding: 7px;
	margin: 7px 0;
	border: 1px solid transparent;
	color: #004085;
	background-color: #cce5ff;
	border-color: #b8daff;
	border-radius: 5px;
}