.product_jie{
	width:100%;
	display: inline-block; 
	background-color:#337ab7; 
	color:#fff;
	border-color: #2e6da4;
	padding: 6px 12px;
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: normal;
    line-height: 1.42857143;
	text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    -ms-touch-action: manipulation;
    touch-action: manipulation;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    background-image: none;
    border: 1px solid transparent;
    border-radius: 4px;
	}
.product_jie a:link{color:#fff;}
.product_jie a:visited{color:#fff;}
.product_jie span{ width:25%; float:left;}
.product_jie a{ width:25%; float:left;}