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