Css Hacks for Mozilla fire fox2 and 3 , Chrome
//Normal
.search_box .content .form-item .form-text { width:180px; border:1px solid #a9a9a8; border-right:none; height:15px; }
// FF2
.search_box .form-submit , x:-moz-any-link { background:url(images/bg/search.jpg) no-repeat; width:30px; height:19px; border:1px solid #a9a9a8; border-left:none; margin-left:-4px; top:0px; #top:0px; #left:-4px; left:-4px; position:relative; }
//FF3
.search_box .form-submit, x:-moz-any-link, x:default { background:url(images/bg/search.jpg) no-repeat; width:30px; height:19px; border:1px solid #a9a9a8; border-left:none; margin-left:-4px; top:1px; #top:0px; #left:-4px; left:-4px; position:relative; }
//Chrome
html* .search_box .form-submit { background:url(images/bg/search.jpg) no-repeat; width:30px; height:19px; border:1px solid #a9a9a8; border-left:none; margin-left:-4px; top:0px; position:relative; }