.red_top_bg{position:relative}.back_left{background:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABYAAAAWCAYAAADEtGw7AAAAmUlEQVRIS7XVgQmAIBCF4d8VgpZoiKAl2qwlWiJoiJYImiEEA5G0u0sd4PM83nmORsf9cAdgAaY3wwp7dA3gCFwpboFjdAaOGhWLUH+RpmIxqoFVqBRWoxLYhH7BZrQE98AWYpSNVGm4cqnogL0F7M0mrXheacYlA2LCJbCpLVJYjWtgFa6FxbgFTnG/Qc4aH30cxeqr6XNV3snLJhc9gOxwAAAAAElFTkSuQmCC) no-repeat 50%}.big_tit{color:#000}tbody{border-top:1px solid #000;border-left:1px solid #000}td{border-bottom:1px solid #000;border-right:1px solid #000;text-align:center;padding:3px 0}.contractbox p{text-indent:30px;margin:4px 0}