Element button pseudo-class :active generated with overflow auto padding 40px font-size 16px transform box-shadow 4px 4px 8px rgba(0,0,0,0.3) width 160px background border 0px rgba(0,0,0,1) solid line-height 1 position relative cursor default margin 25px box-sizing content-box text-shadow 1px 1px 1px rgba(0,0,0,0.2) transition float left z-index auto font-weight normal display inline-block height auto border-radius