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