body {
font-size:100%;
overflow:hidden;
background:url('../img/bjt.jpg');
background-repeat:no-repeat;
background-size:cover;
text-align:center;
}
a{
   text-decoration:none;
}

a:link      {color: #5874dc;} /* 未访问的链接 */
a:visited   {color: #afb4db;} /* 已访问的链接 */
a:hover     {color: #d93a49;} /* 鼠标在链接上 */ 
a:active    {color: #d93a49;} /*正在被点击的链接*/ 


div{
border:0px solid blue;
}


   /* html, body {
        background: #ccc;
        height: 100%;
    }*/

#div_beij{
position: fixed;
top: 10px;
bottom: 10px;
left: 10px;
right: 10px;
margin: auto;
}

#div_1{
position:absolute;
top:10px;
left:10%;
color:#102b6a;
text-align:left
}
#div_2{
position:absolute;
right: 5%;
top:10px;
}
#div_3{
position:absolute;
top:10px;
left:35%;
color:#102b6a;
text-align:left
}
#beian{
position: absolute;
bottom:2%;
display: inline-block;
transform:translate(-50%,-50%);
color: #bbb;
}
/*
top:0;
bottom:
left:0;
right: 0;
width:400px; 
height:100px;
text-align:left*/