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