Element button pseudo-element :after generated with display block box-sizing content-box margin 0px transition background line-height normal width auto float none font-weight normal font-size 18px position static border-radius z-index auto padding 0px height auto cursor default box-shadow 5px 5px 8px rgba(0,0,0,0.4) opacity 1 outline none border 0px rgba(0,0,0,1) solid text-shadow overflow visible transform