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