<div class="page">
<span class="page__name">Mobile Menu Animation</span>
<span class="page__hint">
Push the button below to see the animation
</span>
</div>
<div class="menu">
<nav class="menu__nav">
<ul class="menu__list r-list">
<li class="menu__group">
<a href="#0" class="menu__link r-link">Home</a>
</li>
<li class="menu__group">
<a href="#0" class="menu__link r-link">About me</a>
</li>
<li class="menu__group">
<a href="#0" class="menu__link r-link">Services</a>
</li>
<li class="menu__group">
<a href="#0" class="menu__link r-link">Portfolio</a>
</li>
<li class="menu__group">
<a href="#0" class="menu__link r-link">Blog</a>
</li>
<li class="menu__group">
<a href="#0" class="menu__link r-link">Contacts</a>
</li>
</ul>
</nav>
<button class="menu__toggle r-button" type="button">
<span class="menu__hamburger m-hamburger">
<span class="m-hamburger__label">
<span class="menu__toggle-hint screen-reader">Open menu</span>
</span>
</span>
</button>
</div>
<div class="linktr">
<a href="https://cssisntmagic.substack.com" target="_blank" class="linktr__goal r-link">Subscribe on my email newsletter with CSS tips 💪💪💪</a>
</div>
/*
!!! This demo is being refactored !!!
-- add auto focus on the first item of the navigation when it is shown
-- replace .menu:not(.menu_activated) .menu__list{ display: none; } to hidden
-- use :is pseudo-class to simplify selectors
*/
/*
=====
DEPENDENCES
=====
*/
/* The component will reset button browser styles */
.r-button{
--uirButtonBackgroundColor: var(--rButtonBackgroundColor, transparent);
--uirButtonPadding: var(--rButtonPadding, var(--rButtonPaddingTop, 0) var(--rButtonPaddingRight, 0) var(--rButtonPaddingBottom, 0) var(--rButtonPaddingLeft, 0));
--uirButtonBorderWidth: var(--rButtonBorderWidth, 0);
--uirButtonBorderStyle: var(--rButtonBorderStyle, solid);
--uirButtonBorderColor: var(--rButtonBorderColor, currentColor);
--uirButtonFontFamily: var(--rButtonFontFamily, inherit);
--uirButtonFontSize: var(--rButtonFontSize, inherit);
--uirButtonColor: var(--rButtonColor);
background-color: var(--uirButtonBackgroundColor);
padding: var(--uirButtonPadding);
border-width: var(--uirButtonBorderWidth);
border-style: var(--uirButtonBorderStyle);
border-color: var(--uirButtonBorderColor);
cursor: pointer;
font-family: var(--uirButtonFontFamily);
font-size: var(--uirButtonFontSize);
}
.r-button::-moz-focus-inner,
.r-button[type="button"]::-moz-focus-inner,
.r-button[type="reset"]::-moz-focus-inner,
.r-button[type="submit"]::-moz-focus-inner {
/* Remove the inner border and padding in Firefox. */
border-style: none;
padding: 0;
}
/* The component will reset browser's styles of link */
.r-link{
--uirLinkDisplay: var(--rLinkDisplay, inline-flex);
--uirLinkTextColor: var(--rLinkTextColor);
--uirLinkTextDecoration: var(--rLinkTextDecoration, none);
display: var(--uirLinkDisplay) !important;
color: var(--uirLinkTextColor) !important;
text-decoration: var(--uirLinkTextDecoration) !important;
}
/* The component will reset browser's styles of list */
.r-list{
--uirListPaddingLeft: var(--rListPaddingLeft, 0);
--uirListMarginTop: var(--rListMarginTop, 0);
--uirListMarginBottom: var(--rListMarginBottom, 0);
--uirListListStyle: var(--rListListStyle, none);
padding-left: var(--uirListPaddingLeft) !important;
margin-top: var(--uirListMarginTop) !important;
margin-bottom: var(--uirListMarginBottom) !important;
list-style: var(--uirListListStyle) !important;
}
/* Basic styles of the hamburger component */
.m-hamburger{
--uiHamburgerThickness: var(--hamburgerThickness, 4px);
display: var(--hamburgerDisplay, inline-flex);
width: var(--hamburgerWidth, 28px);
height: var(--hamburgerHeight, 20px);
position: relative;
}
.m-hamburger::before,
.m-hamburger::after,
.m-hamburger__label{
width: 100%;
height: var(--uiHamburgerThickness);
border-radius: var(--hamburgerBorderRadius, 5px);
background-color: var(--hamburgerBackgroundColor, currentColor);
position: absolute;
left: 0;
}
.m-hamburger::before,
.m-hamburger::after{
content:"";
}
.m-hamburger::before{
top: 0;
}
.m-hamburger::after{
bottom: 0;
}
.m-hamburger__label{
/* The calculation of middle hamburger button line position */
top: calc(50% - calc(var(--uiHamburgerThickness) / 2));
}
/* helper to hide elements that are available only for screen readers. */
.screen-reader{
width: var(--screenReaderWidth, 1px) !important;
height: var(--screenReaderHeight, 1px) !important;
padding: var(--screenReaderPadding, 0) !important;
border: var(--screenReaderBorder, none) !important;
position: var(--screenReaderPosition, absolute) !important;
clip: var(--screenReaderClip, rect(1px, 1px, 1px, 1px)) !important;
overflow: var(--screenReaderOverflow, hidden) !important;
}
/*
=====
MENU STYLES
=====
*/
.menu{
--uiMenuCircleSize: var(--menuCircleSize, 6.25rem);
--uiMenuCircleOffset: var(--menuCircleOffset, 1rem);
--uiMenuCircleHeight: calc(var(--uiMenuCircleSize) / 2);
--uiMenuCircleBackgroundColor: var(--menuCircleBackgroundColor, currentColor);
--uiMenuHamburgerWidth: var(--menuHamburgerWidth, 1.75rem);
--uiMenuHamburgerHeight: var(--menuHamburgerHeight, 1.25rem);
--rButtonPaddingTop: calc(var(--uiMenuCircleHeight) - var(--uiMenuHamburgerHeight) - var(--uiMenuCircleOffset));
--hamburgerWidth: var(--uiMenuHamburgerWidth);
--hamburgerHeight: var(--uiMenuHamburgerHeight);
--hamburgerBackgroundColor: var(--menuHamburgerBackgroundColor, #fff);
width: 100%;
display: flex;
flex-direction: column;
align-items: center;
position: fixed;
bottom: 0;
left: 0;
z-index: var(--menuZindex, 9998);
}
.menu__nav{
box-sizing: border-box;
width: 100%;
height: 0;
transition: opacity .2s ease-out;
opacity: 0;
display: flex;
align-items: flex-end;
z-index: 2;
}
.menu__list{
width: 100%;
max-height: 100%;
overflow-y: auto;
-webkit-overflow-scrolling: touch;
}
.menu__toggle{
box-sizing: border-box;
width: var(--uiMenuCircleSize);
height: var(--uiMenuCircleHeight);
flex: none;
position: relative;
}
.menu__toggle::before{
/*
1. The font-size property is used to simplify calculations of the element's sizes and position
2. The negative value for the bottom property need for hiding half of circle.
*/
content: "";
width: 1em;
height: 1em;
font-size: var(--uiMenuCircleSize); /* 1 */
background-color: var(--uiMenuCircleBackgroundColor);
border-radius: 50%;
position: absolute;
bottom: -.5em; /* 2 */
left: calc(50% - .5em);
z-index: -1;
will-change: width, height;
transition: transform .25s cubic-bezier(0.04, -0.1, 0.29, 0.98),
width .25s cubic-bezier(0.04, -0.1, 0.29, 0.98),
height .25s cubic-bezier(0.04, -0.1, 0.29, 0.98);
}
/* styles of hamburger's animation */
.m-hamburger::before,
.m-hamburger::after,
.m-hamburger__label{
transition-timing-function: ease;
transition-duration: .15s;
}
.m-hamburger::before,
.m-hamburger::after{
transition-property: transform;
}
.m-hamburger__label{
transition-property: transform, opacity;
}
/*
=====
MENU STATES
=====
*/
.menu__toggle:focus{
outline: var(--menuHaburgerOutlineOWidth, 2px) solid var(--menuHaburgerOutlineColor);
outline-offset: var(--menuHaburgerOutlineOffset, 5px);
}
.menu_activated{
height: 100%;
}
.menu_activated .menu__nav{
flex-grow: 1;
opacity: 1;
will-change: opacity;
transition-duration: .2s;
transition-delay: .3s;
}
.menu_activated .menu__toggle::before{
width: 100vmax;
height: 100vmax;
transform: translate3d(-50vh, -50vh, 0) scale(5);
transition-duration: 1s;
}
.menu:not(.menu_activated) .menu__list{
display: none;
}
.menu_activated .m-hamburger::before{
top: 50%;
transform: translate3d(0, -50%, 0) rotate(45deg);
}
.menu_activated .m-hamburger::after{
transform: translate3d(0, -50%, 0) rotate(135deg);
top: 50%;
}
.menu_activated .m-hamburger__label{
transform: rotate(-45deg) translate3d(-.285em,-.3em, 0);
opacity: 0;
}
/*
=====
SETTINGS
=====
*/
:root{
--colorWhite: #fff;
--colorMain: #4557bb;
--menuCircleBackgroundColor: var(--colorMain);
--menuHamburgerBackgroundColor: var(--colorWhite);
--menuHaburgerOutlineColor: var(--colorMain);
}
.menu_activated{
--menuHaburgerOutlineColor: var(--colorWhite);
}
/*
=====
DEMO
=====
*/
body{
display: flex;
flex-direction: column;
min-height: 100vh;
margin: 0;
font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Open Sans, Ubuntu, Fira Sans, Helvetica Neue, sans-serif;
font-size: 1rem;
}
.page{
max-width: 380px;
padding: 1rem;
margin: auto;
text-align: center;
}
.page__name{
display: block;
font-size: 2rem;
font-weight: 700;
}
.page__hint{
display: block;
line-height: 1.45;
margin-top: 1rem;
}
.menu__group{
--rLinkTextColor: var(--colorWhite);
padding: .5rem 2rem;
font-size: 2rem;
font-weight: 700;
text-transform: uppercase;
}
.linktr{
order: -1;
padding: 1.75rem;
text-align: center;
}
.linktr__goal{
background-color: rgb(209, 246, 255);
color: rgb(8, 49, 112);
box-shadow: rgb(8 49 112 / 24%) 0px 2px 8px 0px;
border-radius: 2rem;
padding: .5rem 1.25rem;
}
@media (min-width: 1024px){
.linktr{
position: absolute;
right: 1rem;
bottom: 1rem;
}
}
/*
!!!!!
This code is created to display element's behavior. I'm not a JS expert so don't use it
!!!!!
*/
(function(){
'use strict';
class Menu {
constructor(settings) {
this.menuRootNode = settings.menuRootNode;
this.isOpened = false;
}
changeMenuState(menuState) {
return this.isOpened = !menuState;
}
changeToggleHint(toggleHint, toggleNode) {
toggleNode.textContent = toggleHint;
return toggleHint;
}
}
const menuClassesNames = {
rootClass: 'menu',
activeClass: 'menu_activated',
toggleClass: 'menu__toggle',
toggleHintClass: 'menu__toggle-hint'
}
const jsMenuNode = document.querySelector(`.${menuClassesNames.rootClass}`);
const demoMenu = new Menu ({
menuRootNode: jsMenuNode
});
function getCurrentToggleHint(currentMenuState) {
return (currentMenuState !== true) ? 'Open menu' : 'Close menu';
}
function toggleMenu(event) {
let currentMenuState = demoMenu.changeMenuState(demoMenu.isOpened);
let toggleHint = getCurrentToggleHint(currentMenuState);
demoMenu.changeToggleHint(
toggleHint,
demoMenu.menuRootNode.querySelector(`.${menuClassesNames.toggleHintClass}`)
);
demoMenu.menuRootNode.classList.toggle(`${menuClassesNames.activeClass}`);
return currentMenuState;
}
jsMenuNode.querySelector(`.${menuClassesNames.toggleClass}`).addEventListener('click', toggleMenu);
})();
This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.