style.css

@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@400&display=swap');

*,
*::before,
*::after{
	box-sizing: border-box;
	margin: 0
}

.header{
	background: #ff4838;
	height: 22rem;
	width: 100%;
}
.top-links{
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin: 4rem auto;
	padding: 0 6vw;
	max-width: 900px;
	overflow: hidden;
	
}
.top-link{
	display: inline-block;
	margin: 0 auto;
	border: 7px solid #ff4838;
	border-radius: 50%;
	
	height: 10rem;
	width: 10rem;
	line-height: 9.5rem;
	font-size: 1rem;
	
	text-align: center;
	transition: background .3s ease-in;

	
	
}
.top-link a{
text-decoration: none;
color: #395e66;
font-family: 'Quicksand', sans-serif;
position: relative;

}
.top-link a:after{
	content:'';
	background: linear-gradient(360deg,#fff,transparent);;
	width: 100%;
	height: 2px;
	position: absolute;
    bottom: 0;
    left: 0;
}


.top-link:hover{
	background: #ff4838;

}
.top-link:hover a{
	color:#fff;
}

@media (max-width: 500px){
	.top-link{
		font-size: .8rem;
		height: 8rem;
	    width: 8rem;
	   line-height: 7.5rem;
	}

	.header{
		height: 200px;
	}
}