body {
}
.layout{ width:980px; height:858px ;   }
.layout1{width:980px; height:985px; 
float:left; background-color:white; margin-bottom:1px;  } 

.headder{width:980px; height:150px; float:left;}
.menubar{width:980px; height:50px; float:left;}
.banner_content{width:980px; height:241px; float:left}
.link{width:332px; height:241px; float:left;}
.banner{height:241px; width:648px; float:left;}
.welcome_text{ width:975px; 
height:27px; float:left; margin-top:1px;
}
.conten_text{ width:980px; height:373px; 
float:left;
    margin-top: 10px;
}
.text_1{ width:424px; 
height:230px; 
float:left;
}