641941 - Select element doesn't open when pseudo-element ::before or ::after are globally set with no content

Status: RESOLVED DUPLICATE of bug 464758

(Firefox :: General, defect)

Description

[Mauro Pinto]

User-Agent:       Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0) Gecko/20100101 Firefox/4.0
Build Identifier: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0) Gecko/20100101 Firefox/4.0

When wanting to reset all the "::before" and "::after" pseudo-classes in CSS,
if you set "content:''", the select element stops won't show its options when clicked.

Reproducible: Always

Steps to Reproduce:
1. Add ::before or ::after {content:''} to your CSS style with no left handed selector
2. Add a select element with some options
3. Click on the select element
Actual Results:  
Select element won't show its options.