form.search {
  width: 100%;
  background: none;
}

form.search > input {
  width: 100%;
  height: 22px;
  border-radius: 2px;
  font-size: 14px;
  padding: 4px 10px 4px 36px;
  background: url(../images/search.png) no-repeat 2px 2px;
  background-size: 26px 26px;
}