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