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