div.crn{position:relative;margin:0 auto}
div.tl,div.bl,div.tr,div.br{position:absolute;width:10px;height:10px;background:#222;overflow:hidden}
div.btl,div.bbl,div.btr,div.bbr{position:relative;font-size:74px;font-family:arial;line-height:20px}
div.tl{top:0px;left:0px}
div.bl{bottom:0px;left:0px}
div.tr{top:0px;right:0px}
div.br{bottom: 0px;right:0px}
div.btl{left:-4px}
div.bbl{left:-4px;top:-8px}
div.btr{left:-12px}
div.bbr{left:-12px;top:-8px}
div.crn-contents{position:relative;padding:10px}
div.tab-contents{position:relative;padding:7px;border-bottom:solid 1px #222;text-align:center}

div.brown{background:#8c8979}
div.brown div div{color:#8c8979}
div.brown .tab-contents{border-bottom:solid 1px #8c8979}

div.white{background:#fff}
div.white div div{color:#fff}

div.grey{background:#444}
div.grey div div{color:#444}

div.house{background:#EAE7CE}
div.house div div{color:#EAE7CE}

div.house1{background:#FFFFD7}
div.house1 div div{color:#FFFFD7}

div.house2{background:#F5E1B4}
div.house2 div div{color:#F5E1B4}

div.house3{background:#E7F7FB}
div.house3 div div{color:#E7F7FB}

div.house4{background:#EDE0DB}
div.house4 div div{color:#EDE0DB}