Element button pseudo-element :before generated with box-sizing content-box height auto position static padding 12px border 0px rgba(0,0,0,1) solid overflow hidden transform border-radius font-size 16px float none transition text-shadow 3px 1px 1px rgba(0,0,0,0.2) display block margin 100px background width 160px line-height 1 cursor default box-shadow 1px 1px 1px rgba(0,0,0,0.3) font-weight normal z-index auto