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