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