Element block pseudo-class :active generated with display block line-height normal overflow visible box-sizing content-box outline none cursor default font-size 100% background font-weight normal width 100px z-index auto border 50px rgba(0,0,0,0) solid height 0px transition opacity 1 box-shadow 2px 2px 2px rgba(0,0,0,0.3) border-radius float none transform text-shadow padding 0px position static margin 0px