.dfdfdfdf {
width: 670px;
margin: auto;
margin:0;
padding:0;
}
.dfdfdfdf h2{ line-height:30px; color:#00F; text-align:center;}
.dfdfdfdf p {
margin-bottom:15px;
text-indent:2em;
line-height: 40px;
}
.dfdfdfdf td, th {
line-height: 30px;
padding:10px;
border: 1px solid #d2d2d2;
text-align:center;
font-size: 12px;
}
.dfdfdfdf table {
border-collapse: collapse;
}
安全员班
