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