#menu{display:block; width:1000px; height:76px; background-color:#74d403; border-bottom:1px solid #d6eaae; margin-bottom:33px}
#menu:after{content:'.'; display:block; clear:both; visibility:hidden; height:0}

#menu a{display:block; float:left; text-decoration:none}
#menu img{display:block; float:left}

#menu-about{width:94px; height:76px; background:url(/images/system/mm_about1.gif) no-repeat}
#menu-about:hover{background:url(/images/system/mm_about2.gif) no-repeat}

#menu-demo{width:83px; height:76px; background:url(/images/system/mm_demo1.gif) no-repeat}
#menu-demo:hover{background:url(/images/system/mm_demo2.gif) no-repeat}

#menu-support{width:91px; height:76px; background:url(/images/system/mm_support1.gif) no-repeat}
#menu-support:hover{background:url(/images/system/mm_support2.gif) no-repeat}

#menu-pricing{width:91px; height:76px; background:url(/images/system/mm_pricing1.gif) no-repeat}
#menu-pricing:hover{background:url(/images/system/mm_pricing2.gif) no-repeat}

#menu-contact{width:89px; height:76px; background:url(/images/system/mm_contact1.gif) no-repeat}
#menu-contact:hover{background:url(/images/system/mm_contact2.gif) no-repeat}