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