.dv_login
 { 
     min-height:530px;
 }
 
 .dv_login_block
 {
     margin:40px auto;
     width:420px;
     height:490px;
     border:solid 1px #c0c0c0;
     padding:0px;
     box-sizing:border-box;
     
 }
 .dv_top_blue
 {
     height:4px;
     background-color:#2577e3;
 }
 
 .dv_top_logo
 {
     height:100px;
     text-align:center;
 }
 .dv_top_logo img
 {
     height:80%;
     margin:12px auto;
 }
 
 .dv_login_part
 {
     box-sizing:border-box;
     margin:20px auto;
     width:400px; 
     border-top:solid 1px #c0c0c0;
 }
 .span_img  
 {
     display:block;
     width:46px;
     height:36px; 
     float:left;  
     box-sizing:border-box;
     background-color:#eeeeee;
     border-top:solid 1px #cccccc;
     border-bottom:solid 1px #cccccc;
     border-left:solid 1px #cccccc;
 }
 .span_img img
 {
     height:26px;
     width:26px;
     margin:4px 10px;
 }
 .login-form-control
 {
     width:350px;
     
     border:solid 1px #cccccc;   
     height:36px; 
     padding-left:12px;
     padding-right:12px;
     color:#999;
 }
 
 .dv_login_part_input
 {
     display:inline;
     margin-top:20px;
     float:left;
 }
 
  .dv_error_part
 { 
     margin-top:12px;
     height:24px;
 }
 .dv_error
 {
     background-color:#ffebeb;
     color:#444;
     padding:4px 16px;
     border:solid 1px #faccc6;
     
 }
 
 .dv_login_part_btn 
 {
     margin-top:20px;
 }
  .dv_login_part_btn button
 {
     margin-bottom:20px;
     background-color:#2577e3;
 }
 
  .dv_valiate_part
  {
      margin-top:24px;
  }
 .span_vercode  
 {
     display:block;
     height:33px;
     width:150px; 
     float:left;
     margin-top:1px;
     margin-left:30px;
 }
 
 .dv_valiate_part input[type=text]
 {
     width:120px;
     height:35px;
     line-height:35px;
     float:left;
     padding-left:12px;
     padding-right:12px;
 }
 
  .dv_valiate_part a
  {
      margin-left:22px;
      height:35px;
      display:block;
      float:left;
      vertical-align:bottom;
      padding-top:12px;
      box-sizing:border-box;
     
      
  }