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