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