Element button pseudo-element :before generated with box-sizing content-box padding 20px border 0px rgba(0,0,0,1) solid border-radius overflow visible height auto z-index auto cursor default margin 0px float none font-size 60px box-shadow opacity 1 line-height 1 outline none background position static font-weight normal text-shadow 0px 0px 10px rgb(255,255,255) transition width auto display block transform