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