.search-form {margin-top:0px !important}
.search-form input.field {
    width: 140px;
    margin-right:5px;
    margin-top: 12px;
    height:26px; 
    border:1px solid #abadb3;
    border-radius: 3px;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    -o-border-radius: 3px;
    float:left;
}
#search_btn{
    background: url(images/search_btn.jpg) left top no-repeat;
    border: none;
    width: 23px;
    height: 23px;
    float:right; 
    margin-top: 15px;
}