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