.collapse-css-transition{will-change:height;opacity:1;width:100%;transition:height .28s cubic-bezier(.4,0,.2,1),opacity .28s cubic-bezier(.4,0,.2,1)}.collapse-css-transition.--c-collapsing,.collapse-css-transition.--c-collapsed{opacity:0}.collapse-css-transition-contents{width:100%}