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