/* frame width = 750 */

/* frame margin = frame_width / 2 */
#frame {position: relative; top: 0; left: 50%; width: 750px;
   margin-left: -375px; z-index: 2; margin-bottom: 20px;
   background-color: white; border: 4px ridge white;}

#banner {position: absolute; top: 0; width: 100%; height: 95px;
         background-color: #425A84;}

/* menu width - frame width - 4px */
#menu {position: absolute; top: 95px; left: -1px; height: 20px;
       width: 746px; background-color: #225284;
       border: 2px ridge white; z-index: 1;}

#aboutus {position: absolute; top: 16px; left: 85px;
          background-color: #225284; color: #eeeeee;
          border: 2px ridge #eeeeee;
          z-index: 99; visibility: hidden;}

#products {position: absolute; top: 16px; left: 255px;
           background-color: #225284; color: #eeeeee;
           border: 2px ridge #eeeeee;
           z-index: 99; visibility: hidden;}

#forms {position: absolute; top: 16px; left: 435px;
        background-color: #225284; color: #eeeeee;
        border: 2px ridge #eeeeee;
        z-index: 99; visibility: hidden;}

#prodsset {position: absolute; top: -4px; left: 140px; width: 70%;
           background-color: #225284; color: #eeeeee;
           border: 2px ridge #eeeeee;
           z-index: 99; visibility: hidden;}

#prodsama {position: absolute; top: 14px; left: 140px; width: 70%;
           background-color: #225284; color: #eeeeee;
           border: 2px ridge #eeeeee;
           z-index: 99; visibility: hidden;}

#prodsind {position: absolute; top: 32px; left: 140px; width: 70%;
           background-color: #225284; color: #eeeeee;
           border: 2px ridge #eeeeee;
           z-index: 99; visibility: hidden;}

#prodsslf {position: absolute; top: 50px; left: 140px; width: 70%;
           background-color: #225284; color: #eeeeee;
           border: 2px ridge #eeeeee;
           z-index: 99; visibility: hidden;}
<!--
#body {position: absolute; top: 117px; width: 100%;
       padding: 2px;}
-->