body{background-color:#408b40;}
    

table.t2{margin:1em auto 0em;
         background-color:#ffc78f;}

table.t1{margin:1em auto;                
         background-color:#32cd32;}


<style type="text/css">
div.btable{text-align: center;
           width:600; font size:3;}  
div.btable table{margin: auto;
  border:2px solid; text-align:left;}

table.noveltable th,
table.noveltable td{border:1px solid;}




div.cover{display:table;  margin:0px;
          padding:0px;   width:100%;
          border-spacing:1em 3px;}
div.cover div.box1{display:table-cell;width:30%;}
div.cover div.box2{display:table-cell;width:70%;}