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