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