@keyframes FwdSwingOut{0%{transform:rotateX(0);opacity:1}to{transform:rotateX(90deg);opacity:1}}@keyframes FwdSwingIn{0%{transform:rotateX(-90deg);opacity:1}to{transform:rotateX(0);opacity:1}}@keyframes BwdSwingOut{0%{transform:rotateX(0);opacity:1}to{transform:rotateX(-90deg);opacity:1}}@keyframes BwdSwingIn{0%{transform:rotateX(90deg);opacity:1}to{transform:rotateX(0);opacity:1}}::view-transition-image-pair(*){perspective:50cm}