*{margin: 0; padding: 0;}
.container{margin: 20px auto; width: 800px;} 
p{margin-top: 20px; text-align: justify;}

body{font-family: Verdana,Arial,Helvetica,"Lucida Grande",Lucida,sans-serif; font-size: 13px; line-height: 20px; color:#222; background: url(di1.gif);}
body a{color: #00709e; text-decoration: none;}

.hide{display: none;}
.clear{clear: both; margin: 0px; padding: 0px; border: 0px; text-align: left; font-size: 0px; line-height: 0px; overflow: hidden;}
.debug{border: red 1px solid;}
.debug2{border: green 1px solid;}
.float_left{float: left;}
.float_right{float: right;}
.lb10{margin-top: 10px;}
.lb20{margin-top: 20px;}

.title{font-size: 21px; line-height: 29px; margin: 10px 0}
.line{height: 15px; border-bottom: #00709e 1px dotted;}

.block{margin-top: 20px; line-height: 22px;}
.exp{float: right; width: 630px; line-height: 18px;}

#php_img{background: url(php.gif); width: 151px; height: 71px;}
#aspnet_img{background: url(asp.net.gif); width: 151px; height: 71px;}
#asp_img{background: url(asp.gif); width: 151px; height: 71px;}