Element block pseudo-class :active generated with height auto padding 20px transform margin 0px position static border 0px rgba(0,0,0,1) solid display block text-shadow 1px 1px 1px rgba(0,0,0,0.2) transition background overflow hidden cursor default box-shadow 1px 1px 1px rgba(0,0,0,0.3) z-index auto width 160px line-height 1 float none font-size 16px box-sizing content-box font-weight normal border-radius