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