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