CSS3 Menu Animation

CSS3 를 이용한 메뉴 애니메이션

Menu Animation Source

See the Pen 메뉴 애니메이션 by jaeheekim (@jaehee) on CodePen.

CSS Preview

css

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
html {
	font-size: 16px;
}
ul li {
	list-style: none;
}
body {
	position: relative;
	display: flex;
	justify-content: center;
	align-items: center;
	/* 100vh 이면 애니메이션 떨림, 현재 body 를 기준으로 메뉴 정렬을 시켜놨기 때문 */
	min-height: 99.999vh;
	background: #e0e0e0;
	border: 20px solid #ffffff;
}
body:before {
	position: absolute;
	left: 0;
	right: 0;
	top: 0;
	bottom: 50%;
	background: #D84315;
	content: "";
}
.menu {
	position: relative;
	display: flex;
	flex-direction: row;
	justify-content: space-between;
	align-items: center;
	height: 70px;
	width: 70px;
	padding: 15px 20px;
	background: #fff;
	box-shadow: 0 4px 64px rgba(0, 0, 0, 0.2);
	transition: 1.3s cubic-bezier(0.53, 0, 0.15, 1.3);
	z-index: 2;
	border-radius: 5px;
}
.menu.expanded {
	width: 400px;
	height: 80px;
}
.menu span {
	/*white-space: nowrap;*/
	visibility: visible;
	opacity: 1;
	transition: .3s;
	transform: rotateY(0deg);
}
.menu a {
	text-decoration: none;
	text-transform: uppercase;
	font-weight: bold;
	color: #333;
	padding: 5px;
	transition: .3s;
}
.menu a:hover {
	color: #D84315;
}
.menu span:nth-of-type(1) {
	transition-delay: .4s;
}
.menu span:nth-of-type(2) {
	transition-delay: .5s;
}
.menu span:nth-of-type(3) {
	transition-delay: .6s;
}
.menu span:nth-of-type(4) {
	transition-delay: .7s;
}
.menu span.hidden {
	width: 0;
	visibility: hidden;
	opacity: 0;
	transform: rotateY(90deg);
}
/* 숨김 처리시 마지막 메뉴부터 차례대로 보여지도록 delay 처리 */
.menu span.hidden:nth-of-type(1) {
	transition-delay: .3s;
}
.menu span.hidden:nth-of-type(2) {
	transition-delay: .2s;
}
.menu span.hidden:nth-of-type(3) {
	transition-delay: .1s;
}
.menu span.hidden:nth-of-type(4) {
	transition-delay: 0s;
}
.icon-menu {
	order: 1;
	position: relative;
	display: flex;
	/*flex-direction: row;*/
	/*justify-content: space-between;*/
	align-items: center;
	width: 30px;
	height: 34px;
	padding: 5px;
	cursor: pointer;
}
/* .icon, ::before, ::after 햄버거 메뉴 스타일 */
.icon-menu .icon {
	position: relative;
	width: 100%;
	height: 2px;
	background: #aaa;
}
.icon-menu .icon::before {
	position: relative;
	display: flex;
	width: 100%;
	height: 2px;
	background: #aaa;
	top:-7px;
	content: "";
	transition: top .25s ease, bottom .25s ease, transform .5s ease;
}
.icon-menu .icon::after {
	position: relative;
	display: flex;
	bottom: -5px;
	height: 2px;
	width: 100%;
	background: #aaa;
	content: "";
	transition: top .25s ease, bottom .25s ease, transform .5s ease;
}
.icon-menu:hover .icon:before {
	top: -9px;
}
.icon-menu:hover .icon:after {
	bottom: -7px;
}
/* X 닫기 버튼 스타일*/
.icon-menu .icon.close {
	height: 0;
}
.icon-menu .icon.close::before {
	transform: rotate(45deg);
	top: 0;
}
.icon-menu .icon.close::after {
	transform: rotate(-45deg);
	bottom: 2px;
}
.icon-menu:hover .icon.close::before {
	transform: rotate(405deg);
}
.icon-menu:hover .icon.close::after {
	transform: rotate(315deg);
}

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