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