*{
	margin: 0px;
	padding: 0px;
}
body{
	background-color: #000;
}
a{
	text-decoration: none;
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%,-50%);
	font-size: 24px;
	background:linear-gradient(90deg,#03a9f4,#f441a5,#ffeb3b,#03a9f4);
	background-size: 400%;
	width: 400px;
	height: 100px;
	line-height: 100px;
	text-align: center;
	color: white;
	text-transform: uppercase;
	border-radius: 50px;
	z-index: 1;
	
}
a::before{
	content: "";
	position: absolute;
	left: -5px;
	right: -5px;
	bottom: -5px;
	top: -5px;
	background:linear-gradient(90deg,#03a9f4,#f441a5,#ffeb3b,#03a9f4);
	background-size: 400%;
	border-radius: 50px;
	filter: blur(20px);
	z-index: -1;
	
}
a:hover::before{
	animation: sun 8s infinite;
}

a:hover{
	animation: sun 8s infinite;
}


@keyframes  sun{
	100%{
		background-position: -400% 0;
	}
}


.loading{
	width: 100px;
	height: 200px;
	box-sizing: border-box;
	border-radius: 50%;
	border-top: 10px solid #e74c3c;
	position: relative;
	animation: a1 2s linear infinite;
}
.loading::before,.loading::after{
	content: "";
	width: 100px;
	height: 200px;
	/* background: red; */
	position: absolute;
	left: 0;
	top: -10px;
	box-sizing: border-box;
	border-radius: 50%;
}
.loading::before{
	border-top: 10px solid #e67e22;
	transform: rotate(120deg);
}
.loading::after{
	border-top: 10px solid #3498db;
	transform: rotate(240deg);
}

.loading span{
	position: absolute;
	width: 222px;
	height: 222px;
	color: #fff;
	text-align: center;
	line-height: 100px;
	animation: a2 3s linear infinite;
}

@keyframes  a1{
	from{}
	to{
		transform: rotate(360deg);
	}
}

@keyframes  a2{
	from{}
	to{
		transform: rotate(-360deg);
	}
}