#searchsubmitborder {
border: 1px solid #3358A5;
display:inline-block;
}
input[type="search"]{
border:1px solid #C0CAD5;
font-family:tahoma,tahoma,verdana,arial,sans-serif,Lucida Sans;
font-size:11px;
padding:3px;
color: rgb(119, 119, 119);
}
.searchSbmFl {
background:none repeat scroll 0 0 #6386D0;
border-bottom:1px solid #ABBBDE;
border-top:1px solid #ABBBDE;
cursor:pointer;
height:19px;
color:#FFFFFF;
text-shadow: 1px 1px 0px #3358A5;
font-size:10px;
display:inline-block;
font-weight:bold;
padding:2px;
}

<form action="/search/" style="margin: 0pt;" method="get" onsubmit="this.sfSbm.disabled=true">
<div class="schQuery">
<input type="search" size="23" onfocus="this.value=''" value="Поиск по сайту..." onblur="if (this.value==''){this.value='Поиск по сайту...'}" maxlength="30" name="q">
<div id="searchsubmitborder"><input type="submit" value="ПОИСК" id="sfSbm" class="searchSbmFl"></div>
</div></form>