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