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