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