diff --git a/snippet_template.md b/snippet-template.md similarity index 100% rename from snippet_template.md rename to snippet-template.md diff --git a/snippets/staggered-animation.md b/snippets/staggered-animation.md new file mode 100644 index 000000000..111c925ff --- /dev/null +++ b/snippets/staggered-animation.md @@ -0,0 +1,71 @@ +--- +title: Staggered animation +tags: animation,advanced +--- + +Creates a staggered animation for the elements of a list. + +```html +
+ + + +
+``` + +```css +.container { + overflow-x: hidden; + width: 100%; +} + +.menu-toggler { + display: none; +} + +.menu-toggler-label { + cursor: pointer; + font-size: 20px; + font-weight: bold; +} + +.stagger-menu { + list-style-type: none; + margin: 16px 0; + padding: 0; +} + +.stagger-menu li { + margin-bottom: 8px; + font-size: 18px; + opacity: 0; + transform: translateX(100%); + transition-property: opacity, transform; + transition-duration: 0.3s; + transition-timing-function: cubic-bezier(0.750, -0.015, 0.565, 1.055); +} + +.menu-toggler:checked ~ .stagger-menu li { + opacity: 1; + transform: translateX(0); + transition-delay: calc(0.055s * var(--i)); +} +``` + +#### Explanation + +- Set the `opacity` to `0` and `transform` to `translateX(100%)` to make list elements transparent and move them all the way to the right. +- Specify the appropriate `transition` properties for list elements, except `transition-delay` which is specified relative to the `--i` custom property. +- Use inline styles to specify a value for `--i` for each list element, which will in turn be used for `transition-delay` to create the stagger effect. +- Use the `:checked` selector for the checkbox to appropriately style list elements, setting `opacity` to `1` and `transform` to `translateX(0)` to make them appear and slide into view. + +#### Browser support + +- https://caniuse.com/#feat=css-variables +- https://caniuse.com/#feat=css-transitions