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