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