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