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