body{ background:#fff;}
.y_error404{ width: 595px; height: 369px; position: relative; margin: 0px auto; margin-top: 200px;}
.y_404bg{width: 100%; height: 100%;}
.y_404bg img{width: 100%; height: 100%;}
.y_error404_center{ position: absolute; left: 85px; bottom: 10px; z-index: 5;}
.y_error404_center a{ font-size: 15px; color: #fff; border-radius: 30px; padding: 5px 15px; display: inline-block;}
.y_error404_center a:nth-child(1){ background:#d3a65c;}
.y_error404_center a:nth-child(2){ background:#5ac08c; margin-left: 18px;}


.y_return{ text-align: center; margin: 15px 0;}
.y_return span{ font-size: 16px; color: #333; display: inherit;}
.y_return span em{ display: inline-block; padding: 0 3px;  color: red;}