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