设置用户不能选择文字：
body,.noselect { ???-webkit-touch-callout: none; ???/* iOS Safari */ ???-webkit-user-select: none; ???/* Chrome/Safari/Opera */ ???-khtml-user-select: none; ???/* Konqueror */ ???-moz-user-select: none; ???/* Firefox */ ???-ms-user-select: none; ???/* Internet Explorer/Edge */ ???user-select: none; ???/* Non-prefixed version, currently ???not supported by any browser */}图片初始化：
img { ???max-width: 100%; ???max-height: 100%; ???display: block; ???margin: 0 auto;}
设置隐藏：
.hidden { ???display: none;}浏览器初始化：
// 盒模型body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,button,textarea,p,blockquote,th,td { ???margin: 0; ???padding: 0;}// 表格table { ???border-collapse: collapse; ???border-spacing: 0;}// 列表li { ???list-style: none;}// 标题h1,h2,h3,h4,h5,h6 { ???font-size: 100%; ???font-weight: normal;}// 表单input,button,textarea,select,optgroup,option { ???font-family: inherit; ???font-size: inherit; ???font-style: inherit; ???font-weight: inherit;}input,button,textarea,select { ???*font-size: 100%;}select,input,select { ???vertical-align: middle;}// 链接a { ???text-decoration: none;}css常用样式设置
原文地址：http://www.cnblogs.com/maoriaty/p/8072262.html