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