Element block pseudo-class :active generated with line-height 1 opacity 1 padding 20px outline none z-index auto transition cursor default width 160px box-sizing content-box margin 0px height auto border 0px rgba(0,0,0,1) solid position static float none border-radius box-shadow 1px 1px 1px rgba(0,0,0,0.3) background transform font-weight normal display block overflow hidden text-shadow 1px 1px 2px rgba(0,0,0,0.5) font-size 21px