css中一些必要的公共样式

body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, dl, dt, dd, ul, ol, li, pre, form, fieldset, legend, button, input, textarea, th, td { margin:0; padding:0; }
body, button, input, select, textarea { font:12px Arial, Tahoma, 宋体; color:#454545; }
button, input, select, textarea, h1, h2, h3, h4, h5, h6 { font-size:100%; }
h2, h3 { font-size:14px; }
button, input, select, textarea, label { vertical-align:middle; outline:none; }
img { vertical-align:middle; border:none; display:inline-block; background:#fff url(/images/common/nopic.png) center no-repeat; }
ul, ol { list-style:none; }
a { text-decoration:none; color:#454545; vertical-align:baseline; cursor:pointer; }
a:hover { text-decoration:underline; color:#000; }
table { border-collapse:collapse; border-spacing:0; }
body { word-wrap:break-word; word-break:break-all; _height:100%; }

/*输入框*/
.g-txt { height:23px; line-height:23px; border-width:1px; border-style:solid; border-color:#454545 #ccc #ccc #454545; padding-left:3px; }
.g-txt:hover, .g-txt.focus { background-color:#fffcc5; }
/*--------------*/
/*--------------*/
/*单项公共样式开始*/
/*--------------*/
/*--------------*/
/*顶底边框*/
.g-bt-n { border-top:none !important; }
.g-bb-n { border-bottom:none !important; }
.g-b-dd { border:1px solid #dddddd; }
/*背景色*/
.g-bc-w { background-color:#fff }
.g-bi-n { background-image:none !important; }
/*字体灰色*/
.g-c-22 { color:#222; }
.g-c-33 { color:#333; }
.g-c-66 { color:#666; }
.g-c-99 { color:#999; }
/*字体白色*/
.g-c-w { color:#fff; }
/*字体红色*/
.g-c-r { color:#e25150; }
/*绿色*/
.g-c-green { color:#579719; }
/*清浮*/
.g-cf:after { content:""; clear:both; display:table; }
.g-cf { zoom:1; }
/*浮动*/
.g-f-l { float:left !important; _display:inline; }
.g-f-r { float:right !important; _display:inline; }
/*显示隐藏*/
.g-d-n { display:none; }
.g-d-b { display:block; }
.g-d-i { display:inline; }
.g-d-ib { display:inline-block; }
.g-v-h { visibility:hidden; }
.g-v-v { visibility:visible; }
/*字体宋体*/
.g-ff-s { font-family:宋体; }
/*字体风格*/
.g-fs-n { font-style:normal; }
/*字体加粗*/
.g-fw-b { font-weight:bold; }
.g-fw-n { font-weight:normal; }
/*字体大小*/
.g-fz-18 { font-size:18px; }
.g-fz-16 { font-size:16px; }
.g-fz-15 { font-size:15px; }
.g-fz-14 { font-size:14px; }
.g-fz-12 { font-size:12px; }
/*高、行高*/
.g-h-a { height:auto !important; }
.g-lh-18 { line-height:18px !important; }
.g-h-22 { height:22px !important; }
.g-lh-22 { line-height:22px !important; }
.g-h-24 { height:24px !important; }
.g-lh-24 { line-height:24px !important; }
.g-h-25 { height:25px !important; }
.g-lh-25 { line-height:25px !important; }
.g-lh-30 { line-height:30px !important; }
/*最小高度*/
.g-mh-20 { min-height:20px; _height:20px; }
.g-mh-50 { min-height:50px; _height:50px; }
/*外边距*/
.g-mlr-a { margin-left:auto; margin-right:auto; }
.g-m-10 { margin:10px; }
.g-mtb-10 { margin-top:10px; margin-bottom:10px; }
.g-mlr-10 { margin-left:10px; margin-right:10px; }
.g-mt-10 { margin-top:10px; }
.g-mb-10 { margin-bottom:10px; }
.g-ml-10 { margin-left:10px; }
.g-mr-10 { margin-right:10px; }
.g-m-5 { margin:5px; }
.g-mtb-5 { margin-top:5px; margin-bottom:5px; }
.g-mlr-5 { margin-left:5px; margin-right:5px; }
.g-mt-5 { margin-top:5px !important; }
.g-mb-5 { margin-bottom:5px !important; }
.g-ml-5 { margin-left:5px !important; }
.g-mr-5 { margin-right:5px !important; }
.g-mt-n { margin-top:0 !important; }
.g-mb-n { margin-bottom:0 !important; }
.g-ml-n { margin-left:0 !important; }
.g-mr-n { margin-right:0 !important; }
/*内边距*/
.g-p-10 { padding:10px; }
.g-ptb-10 { padding-top:10px; padding-bottom:10px; }
.g-plr-10 { padding-left:10px; padding-right:10px; }
.g-pt-10 { padding-top:10px; }
.g-pb-10 { padding-bottom:10px; }
.g-pl-10 { padding-left:10px; }
.g-pr-10 { padding-right:10px; }
.g-p-5 { padding:5px; }
.g-ptb-5 { padding-top:5px; padding-bottom:5px; }
.g-plr-5 { padding-left:5px; padding-right:5px; }
.g-pt-5 { padding-top:5px !important; }
.g-pb-5 { padding-bottom:5px !important; }
.g-pl-5 { padding-left:5px !important; }
.g-pr-5 { padding-right:5px !important; }
.g-pt-n { padding-top:0 !important; }
.g-pb-n { padding-bottom:0 !important; }
.g-pl-n { padding-left:0 !important; }
.g-pr-n { padding-right:0 !important; }
.g-pt-20 { padding-top:20px !important; }
/*overflow*/
.g-o-h { overflow:hidden !important; }
.g-o-a { overflow:auto !important; }
.g-o-v { overflow:visible!important; }
/*相对定位*/
.g-p-r { position:relative; }
/*水平右中左*/
.g-ta-r { text-align:right !important; }
.g-ta-c { text-align:center !important; }
.g-ta-l { text-align:left !important; }
/*垂直上中下*/
.g-va-t { vertical-align:top !important; }
.g-va-m { vertical-align:middle !important; }
.g-va-b { vertical-align:bottom !important; }
.g-va-bl { vertical-align:baseline !important; }
/*缩进*/
.g-ti-1 { text-indent:1em; }
.g-ti-2 { text-indent:2em; }
.g-ti-3 { text-indent:3em; }
.g-ti-4 { text-indent:4em; }
.g-ti-5 { text-indent:5em; }
/*下划线*/
.g-td-n { text-decoration:none !important; }
/*强制不换行*/
.g-ws-w { white-space:nowrap; }
/*强制换行*/
.g-ww-bw { white-space:normal; word-wrap:break-word; word-break:break-all; }