Significant reorganization (into src folder)

src/assets/styles/transitions.scss

@@ -0,0 +1,43 @@
+/* Page and layout enter/leave transition */
+.page-enter-active,
+.page-leave-active {
+  transition: opacity 0.25s;
+}
+
+.page-enter,
+.page-leave-to {
+  opacity: 0;
+}
+
+/* Fade transition */
+.fade-enter-active,
+.fade-leave-active {
+  transition: opacity 0.2s;
+}
+
+.fade-enter,
+.fade-leave-to {
+  opacity: 0;
+}
+
+/* Slide transition */
+.slide-enter-active,
+.slide-leave-enter {
+  transform: translateY(0);
+  transition: all 0.3s linear;
+}
+.slide-enter,
+.slide-leave-to {
+  transform: translateY(100%);
+}
+
+.slide-left-enter-active,
+.slide-left-leave-enter {
+  transform: translateX(0);
+  transition: transform 0.2s;
+}
+.slide-left-enter,
+.slide-left-leave-to {
+  transform: translateX(100%);
+  transition: transform 0.2s;
+}