22个必须知道的css技巧_html/css_WEB-ITnose

::selection{ /* Safari and Opera */ background:#c3effd; color:#000;}::-moz-selection{ /* Firefox */ background:#c3effd; color:#000;}

html{ overflow-y:scroll; }

.page-break{ page-break-before:always; }

.page { background-color:blue !important; background-color:red;}

.header{ text-indent:-9999px; background:url('someimage.jpg') no-repeat; height: 100px; /*dimensions equal to image size*/ width:500px;}

#container{ height:auto !important;/*all browsers except ie6 will respect the !important flag*/ min-height:500px; height:500px;/*Should have the same value as the min height above*/}

a[target="_blank"]:before,a[target="new"]:before { margin:0 5px 0 0; padding:1px; outline:1px solid #333; color:#333; background:#ff9; font:12px "Zapf Dingbats"; content: "\279C";}

ol { font: italic 1em Georgia, Times, serif; color: #999999;}ol p { font: normal .8em Arial, Helvetica, sans-serif; color: #000000;}

p:first-letter{display:block;margin:5px 0 0 5px;float:left;color:#FF3366;font-size:3.0em;font-family:Georgia;}

.transparent_class { filter:alpha(opacity=50); -moz-opacity:0.5; -khtml-opacity: 0.5; opacity: 0.5; }

line-height:30px;

body{ width:1000px; margin:0 auto;}

textarea{ overflow:auto;}

a:active, a:focus{ outline:none; }

position:relative;

a[href$='.doc'] { padding:0 20px 0 0; background:transparent url(/graphics/icons/doc.gif) no-repeat center right;}

input[type=submit],label,select,.pointer { cursor:pointer; }

text-transform: capitalize;

font-variant:small-caps;

input[type=text]:focus, input[type=password]:focus{ border:2px solid #000;}

a img{ border:none; }

p label{ width:100px; float:left; margin-right:10px; text-align:right;}