body 
{
    text-align: center; 
     margin:auto;
     height:100%; margin:0px;
}

html{height:100%; margin:0px;} 
#mainbody{width:100%; height:100%;background-color:#33CCCC;} 
.container{  


    


    /*background: #777;  


    width: 100%;  


    height: 100%;  


   
*/

    
   


}  


 

        .content {
            display: none;
            position: absolute;
            top: 25%;
            left: 25%;
            width: 50%;
            height: 50%;
            padding: 16px;
            border: 16px solid #526ea6;
            background-color: white;
            z-index:1002;
            overflow: auto;
        }