Element block pseudo-class :active generated with height auto transition padding 20px position static float none text-shadow 1px 1px 1px rgba(0,0,0,0.2) border 2px rgba(0,0,0,1) solid display block box-sizing content-box margin 0px border-radius width 160px transform z-index auto line-height 1 font-size 16px background cursor default font-weight normal overflow hidden box-shadow 1px 1px 1px rgba(0,0,0,0.3)