@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100..900;1,100..900&family=Sour+Gummy:ital,wght@0,100..900;1,100..900&display=swap');

div {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

}
img{
    max-height: 80vh;
    max-width:100vw;
}



a {
    font-family: "Sour Gummy", sans-serif;
	position: relative;
	padding: 30px 60px;
	color: #fff;
    background-color: #000;
	text-decoration: none;
	text-transform: uppercase;
	letter-spacing: 4px;
    font-size: 32px;
	overflow: hidden;
}

a span:nth-child(1) {
	position: absolute;
	top: 0;
	right: 0;
	width: 100%;
	height: 3px;
	background: linear-gradient(to right, #171618, #FF0000);
	animation: animate1 2s linear infinite;
}

@keyframes animate1 {
	0% {
		transform: translateX(-100%);
	}
	100% {
		transform: translateX(100%);
	}
}

a span:nth-child(2) {
	position: absolute;
	top: 0;
	right: 0;
	height: 100%;
	width: 3px;
	background: linear-gradient(to bottom, #171618, #FF0000);
	animation: animate2 2s linear infinite;
	animation-delay: 1s;
}
@keyframes animate2 {
	0% {
		transform: translateY(-100%);
	}
	100% {
		transform: translateY(100%);
	}
}

a span:nth-child(3) {
	position: absolute;
	bottom: 0;
	right: 0;
	width: 100%;
	height: 3px;
	background: linear-gradient(to left, #171618, #FF0000);
	animation: animate3 2s linear infinite;
}

@keyframes animate3 {
	0% {
		transform: translateX(100%);
	}
	100% {
		transform: translateX(-100%);
	}
}

a span:nth-child(4) {
	position: absolute;
	top: 0;
	left: 0;
	height: 100%;
	width: 3px;
	background: linear-gradient(to top, #171618, #FF0000);
	animation: animate4 2s linear infinite;
	animation-delay: 1s;
}

@keyframes animate4 {
	0% {
		transform: translateY(100%);
	}
	100% {
		transform: translateY(-100%);
	}
}