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