.center {
	 position: absolute;
	 left: 50%;
	 top: 50%;
	 transform: translateX(-50%) translateY(-50%);
}
 .circle {
	 display: inline-block;
	 width: 32px;
	 height: 32px;
	 border-radius: 50%;
	 margin: 0 4px;
}
 .circle-1 {
	 border: 4px solid #000000;
}
 .circle-2 {
	 border: 4px solid #000000;
}
 .circle-3 {
	 border: 4px solid #000000;
}
 .circle-4 {
	 border: 4px solid #000000;
}