*{
	transition: all 0.6s;
	font-family: 'Microsoft YaHei';
}
.table-cell{
	display: table-cell;
	vertical-align: middle;
}
.arrow{
	text-align: center;
    position: absolute;
    bottom: 25px;
    margin: auto;
    left: 0;
    right: 0;
    height: 55px;
	background: url(img/arrow.png) no-repeat center center;
	-webkit-animation: signMove 1.5s infinite;
    -moz-animation: signMove 1.5s infinite;
    -ms-animation: signMove 1.5s infinite;
    animation: signMove 1.5s infinite;
}
/* bootstrap 修正*/
.navbar-default .navbar-nav>.active>a,
.navbar-default .navbar-nav>.active>a:hover,
.navbar-default .navbar-nav>.active>a:focus,
.navbar-default .navbar-nav>.active>a:after{
	background: none;
	color: inherit;
	border-bottom: 1px solid;
}