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