To make your website menu more beautiful, you can not use any title like this code and only show menu items with icons. In addition, the feature in this code changes the full background color by selecting each menu item. Menu items are all circular crop. The background of the menu items is white.


HTML
<!-- This script got from www.devanswer.com -->
    <link rel='stylesheet' href='https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.12.0-2/css/all.min.css'>
    <script src='https://cdnjs.cloudflare.com/ajax/libs/gsap/3.3.3/gsap.min.js'></script>
    <div id="navbarContainer">
    <div id="navbar">
        <div id="bubbleWrapper">
            <div id="bubble1" class="bubble"><span class="icon"><i class="fas fa-home"></i></span></div>
            <div id="bubble2" class="bubble"><span class="icon"><i class="fab fa-twitter"></i></span></div>
            <div id="bubble3" class="bubble"><span class="icon"><i class="fas fa-bell"></i></span></div>
            <div id="bubble4" class="bubble"><span class="icon"><i class="fas fa-user"></i></span></div>
        </div>
        <div id="menuWrapper">
            <div id="menu1" class="menuElement" onclick="move('1', '50px', '#ffcc80')"><i class="fas fa-home"></i></div>
            <div id="menu2" class="menuElement" onclick="move('2', '150px', '#81d4fa')"><i class="fab fa-twitter"></i></div>
            <div id="menu3" class="menuElement" onclick="move('3', '250px', '#c5e1a5')"><i class="fas fa-bell"></i></div>
            <div id="menu4" class="menuElement" onclick="move('4', '350px', '#ce93d8')"><i class="fas fa-user"></i></div>
        </div>
    </div>
    <div id="bgWrapper">
        <div id="bg"></div>
        <div id="bgBubble"></div>
    </div>
</div>
<svg width="0" height="0">
    <defs>
        <filter id="goo">
            <feGaussianBlur in="SourceGraphic" stdDeviation="20" result="blur" id="blurFilter" />
            <feColorMatrix in="blur" mode="matrix" values="1 0 0 0 0  0 1 0 0 0  0 0 1 0 0  0 0 0 30 -15" result="goo" />
            <feComposite in="SourceGraphic" in2="goo" operator="atop" />
        </filter>
    </defs>
</svg><div id="bcl"><a style="font-size:8pt;text-decoration:none;" href="http://www.devanswer.com">Developers Answer</a></div>
                        

CSS
body {
	background: #37474f;
	width: 100vw;
	height: 100vh;
	display: flex;
	justify-content: center;
	align-items: center;
	margin: 0;
	overflow: hidden;
}
#navbarContainer {
	width: 400px;
	min-width: 400px;
	height: 70vh;
	background-color: #ffcc80;
	border-radius: 20px;
	display: flex;
	justify-content: flex-end;
	flex-direction: column;
	overflow: hidden;
	position: relative;
	box-shadow: 0 10px 20px rgba(0, 0, 0, 0.19), 0 6px 6px rgba(0, 0, 0, 0.23);
}
#navbar {
	width: 100%;
	height: 60px;
	background-color: #fff;
	position: absolute;
}
#bubbleWrapper {
	position: absolute;
	display: flex;
	justify-content: space-around;
	width: 100%;
	bottom: 25px;
}
.bubble {
	background-color: #fff;
	width: 50px;
	height: 50px;
	bottom: 85px;
	border-radius: 50%;
	z-index: 1;
	transform: translateY(120%);
	display: flex;
	justify-content: center;
	align-items: center;
}
.icon {
	opacity: 0;
}
#bubble1 {
	transform: translateY(0%);
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
}
#bubble1>span {
	opacity: 0.7;
}
#bgWrapper {
	filter: url(#goo);
	width: 100%;
	height: 100px;
	position: absolute;
	bottom: 60px;
}
#bg {
	background-color: #ffcc80;
	width: 120%;
	height: 100%;
	margin-left: -10%;
}
#bgBubble {
	position: absolute;
	background-color: #ffcc80;
	width: 70px;
	height: 70px;
	border-radius: 50%;
	bottom: -50px;
	left: 50px;
	transform: translateX(-50%);
}
#menuWrapper {
	position: absolute;
	width: 100%;
	display: flex;
	justify-content: space-around;
}
.menuElement {
	opacity: 0.4;
	transform: translateY(100%);
	cursor: pointer;
}
.menuElement:hover {
	opacity: 0.5;
}
#contentWrapper {
	position: absolute;
	top: 50%;
	width: 100%;
	transform: translateY(-50%);
	display: flex;
	justify-content: center;
	align-items: center;
}
#contentWrapper h2 {
	color: #fff;
	font-family: sans-serif;
	font-weight: 400;
}
.content {
	display: none;
	opacity: 0;
}
Javascript
function move(id, position, color) {
    var tl = gsap.timeline();
    tl.to("#bgBubble", { duration: 0.15, bottom: "-30px", ease: "ease-out" }, 0)
        .to("#bubble1", { duration: 0.1, y: "120%", boxShadow: 'none', ease: "ease-out", }, 0)
        .to("#bubble2", { duration: 0.1, y: "120%", boxShadow: 'none', ease: "ease-out", }, 0)
        .to("#bubble3", { duration: 0.1, y: "120%", boxShadow: 'none', ease: "ease-out", }, 0)
        .to("#bubble4", { duration: 0.1, y: "120%", boxShadow: 'none', ease: "ease-out", }, 0)
        .to(".icon", { duration: 0.05, opacity: 0, ease: "ease-out", }, 0)
        .to("#bgBubble", { duration: 0.2, left: position, ease: "ease-in-out" }, 0.1)
        .to("#bgBubble", { duration: 0.15, bottom: "-50px", ease: "ease-out" }, '-=0.2')
        .to(`#bubble${id}`, { duration: 0.15, y: "0%", opacity: 1, boxShadow: '0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24)', ease: "ease-out" }, '-=0.1')
        .to(`#bubble${id}> span`, { duration: 0.15, y: "0%", opacity: 0.7, ease: "ease-out" }, '-=0.1')
        .to("#navbarContainer", { duration: 0.3, backgroundColor: color, ease: "ease-in-out" }, 0)
        .to("#bg", { duration: 0.3, backgroundColor: color, ease: "ease-in-out" }, 0)
        .to("#bgBubble", { duration: 0.3, backgroundColor: color, ease: "ease-in-out" }, 0)
}