I have a problem with the vertical alignment of the select box header in Firefox.

The CSS for selection is as follows:
select#cities_list { width: 95px; height: 45px; line-height: 45px; background: url('./img/select-arrow.png') no-repeat right transparent; -webkit-appearance: none; border: 1px solid #dcdcdc; border-left: none; border-right: none; padding: 0 10px; margin: 0; float: left; }
In Chrome, everything looks fine:

Help!
css firefox select vertical-alignment
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