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