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