default top margin\n  margin-top: 0;\n  // Reset browser default of `1em` to use `rem`s\n  margin-bottom: 1rem;\n  // Don't allow content to break outside\n  overflow: auto;\n  // Disable auto-hiding scrollbar in IE & legacy Edge to avoid overlap,\n  // making it impossible to interact with the content\n  -ms-overflow-style: scrollbar;\n}\n\n\n//\n// Figures\n//\n\nfigure {\n  // Apply a consistent margin strategy (matches our type styles).\n  margin: 0 0 1rem;\n}\n\n\n//\n// Images and content\n//\n\nimg...

   -webkit-transform: perspective(400px) rotate3d(1, 0, 0, 90deg);\n    transform: perspective(400px) rotate3d(1, 0, 0, 90deg);\n    transition-timing-function: ease-in;\n    opacity: 0;\n  }\n  40% {\n    -webkit-transform: perspective(400px) rotate3d(1, 0, 0, -20deg);\n    transform: perspective(400px) rotate3d(1, 0, 0, -20deg);\n    transition-timing-function: ease-in;\n  }\n  60% {\n    -webkit-transform: perspective(400px) rotate3d(1, 0, 0, 10deg);\n    transform: perspective(400px) rotate3d(1,...