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