* {font-family: Verdana, Geneva, Tahoma, sans-serif;}
header {background-color: rgb(27, 158, 56); padding: 10px; height: auto; min-width: 1024px; box-shadow: 0 3px 10px rgb(50, 50, 50);}
main {margin-top: 10px;}
.rb {display: table-cell; height: 100%;right: 0; padding: 10px;}
.block {width: 800px;position: relative; top: 0;right: 0;bottom: 0;left: 0;margin: auto;}
.lb {width: 128px; display: table-cell; height: 100%; background-repeat: repeat-y; background-image: url(bkg.png);}