Element button pseudo-element :before generated with width 45px margin 0px z-index auto font-weight normal position static box-shadow -2px 2px 1px rgba(255,255,255,0.5) cursor default transition overflow hidden background height 45px display block border-radius font-size 40px transform line-height 1 box-sizing content-box padding 5px border 0px rgba(0,0,0,1) solid float none text-shadow