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