.article{font-size: 15px; font-family: Arial, '微软雅黑', '宋体';color: #666;}
.paragraph{margin-left: 10px;margin-bottom: 10px;}
.paragraph .title{font-size: 25px;color:black;}
.paragraph .content{text-indent: 3em;margin-top: 5px;}
.paragraph .subTitle{text-indent: 3em;font-size: 20px;color:black;margin-top: 5px;}
.paragraph .subContent{text-indent: 4em;margin-top: 5px;}
.paragraph .subSubTitle{text-indent: 4em;font-size: 18px;color:black;margin-top: 5px;}
.paragraph .subSubContent{text-indent: 6em;margin-top: 5px;}
.paragraph img{margin:10px auto;display:block;border-top: 1px solid #666;border-bottom:1px solid #666;padding: 5px;}
.paragraph .imgSize{width: 600px;height: 500px;}
.paragraph .imgTitle{display:block;text-align: center;color: black;font-size: 400;}
.paragraph .tip{color: blue;font-weight: 700}
.footer{color: black;margin-right: 10px;float: right;margin-bottom: 20px;border:1px double;}
.footer span{padding:10px;display: inline-block;}
.important{font-size: 18px;color:black;margin-top: 20px;text-indent: 3em;font-weight: bold;}
.code{border:1px solid #666;text-indent: 0em;margin-top: 10px;margin-bottom: 10px;width: 500px;padding: 10px;font-family: Courier New!important;background-color: #000;color: #666;font-size: 15px;}
.ml45{margin-left: 45px;}
.ml60{margin-left: 60px;}
.ml90{margin-left: 90px;}
.w300{width: 300px;}