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