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