body {
	--btn-size: 150px;
	--accent-color: #4F46E5;
	width: 100%;
	height: 100vh;
	display: grid;
	place-items: center;
	overflow: hidden;
	background: #efefef;	
	font-size: calc(var(--btn-size) * .55);	
}

.menu {
	position: relative;
	width: var(--btn-size);
	aspect-ratio: 1 / 1;
	border-radius: 50%;
	display: grid;
	place-items: center;
	text-align: center;
	color: white;	
	cursor: pointer;
	user-select: none;
	transition: 0.75s;
	line-height: 100%;
}
.menu:after {
	content: '\2630';
	width: var(--btn-size);
	aspect-ratio: 1 / 1;
	position: absolute;
	left: 0;
	top: 0;
	display: grid;
	place-items: center;
	background: var(--accent-color);
	border-radius: inherit;
	font-size: calc(var(--btn-size) * .48);
	transition: .75s;
	box-shadow:
		0 10px 15px rgba(0,0,0,.5);
}
.open_menu:after {
	content: '\00D7';
	background: #4B5563;
}

.nav-item {
	width: var(--btn-size);
	aspect-ratio: 1 / 1;
	border-radius: 50%;
	background: var(--accent-color);
	position: absolute;
	transition: 0.75s;
	user-select: none;
	left: 0;
	top: 0;
	transform: scale(0.1);
	box-shadow:
		0 5px 5px rgba(0,0,0,.25);
	text-decoration: none;
	font-family: sans-serif;
	color: white;
	box-sizing: border-box;
	display: grid;
	place-items: center;
}

.open_menu .nav-item {
	transform: scale(1) rotate(360deg);
}
.open_menu .nav-item:hover {
	transform: scale(1.25) rotate(360deg);
}

.open_menu .nav-item:nth-child(1) {
	top: calc(var(--btn-size) * -.4);
	left: calc(var(--btn-size) * -1.2);
}
.open_menu .nav-item:nth-child(2) {
	top: calc(var(--btn-size) * -1.2);
	left: 0px;
}
.open_menu .nav-item:nth-child(3) {
	top: calc(var(--btn-size) * -.4);
	left: calc(var(--btn-size) * 1.2);
}
.open_menu .nav-item:nth-child(4) {
	top: calc(var(--btn-size) * 1);
	left: calc(var(--btn-size) * -.8);
}
.open_menu .nav-item:nth-child(5) {
	top: var(--btn-size);
	left: calc(var(--btn-size) * .8);
}