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