.L, .balken, #navsub A  { display: none; }
#navsub .gew { font-size: 24px; font-weight: normal; clear: both; }
.R           { float: none; width: 600px; margin-top: 1cm; margin-left: 2cm; }
.headerR     { height: auto; }
.content     { width: 600px; }