trick to customize the select box. 1 - create a styled-select 2 - put out the select things

gistfile1.css

.styled-select {
  margin:                   0px 5px 0 0;
  -webkit-border-radius:    4px;
  background:               white url("dropdown_arrow.png") no-repeat right;
  border:                   1px solid #c6c6c6;
  border-radius:            4px;
  overflow:                 hidden;
  width:                    230px;
}

.styled-select select {
  border:                   1px solid transparent;
  background:               transparent;
  /* If you add too much padding here, the options won't show in IE */
  width:                    256px;
}