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