.mch-backdrop{position:fixed;top:0;left:0;right:0;background-color:#111827;background-color:var(--mch-color-backdrop);opacity:0;height:100vh;width:100%;z-index:100;z-index:var(--wb-ds-zindex--backdrop);transition:opacity .55s cubic-bezier(.4,0,.2,1);transition:opacity var(--wb-ds-animation-timing-function) var(--wb-ds-animation-duration--slow)}.mch-backdrop.mch-backdrop--visible{opacity:.2;opacity:var(--mch-backdrop__opacity)}