Custom loader

I’d like to use a custom CSS loader instead of one of those spinners.
Is it possible?

This is the code of the loader, if it helps…

/* LOADER */
.cssload-container{
	position:relative;
	padding-bottom: 108px;
}

.cssload-whirlpool,
.cssload-whirlpool::before,
.cssload-whirlpool::after {
	position: absolute;
	top: 50%;
	left: 50%;
	border: 1px solid rgb(204,204,204);
	border-radius: 974px;
		-o-border-radius: 974px;
		-ms-border-radius: 974px;
		-webkit-border-radius: 974px;
		-moz-border-radius: 974px;
}

.cssload-whirlpool {
	margin: -24px 0 0 -24px;
	height: 49px;
	width: 49px;
	animation: cssload-rotate 1150ms linear infinite;
		-o-animation: cssload-rotate 1150ms linear infinite;
		-ms-animation: cssload-rotate 1150ms linear infinite;
		-webkit-animation: cssload-rotate 1150ms linear infinite;
		-moz-animation: cssload-rotate 1150ms linear infinite;
}

.cssload-whirlpool::before {
	content: "";
	margin: -22px 0 0 -22px;
	height: 43px;
	width: 43px;
	animation: cssload-rotate 1150ms linear infinite;
		-o-animation: cssload-rotate 1150ms linear infinite;
		-ms-animation: cssload-rotate 1150ms linear infinite;
		-webkit-animation: cssload-rotate 1150ms linear infinite;
		-moz-animation: cssload-rotate 1150ms linear infinite;
}

.cssload-whirlpool::after {
	content: "";
	margin: -28px 0 0 -28px;
	height: 55px;
	width: 55px;
	animation: cssload-rotate 2300ms linear infinite;
		-o-animation: cssload-rotate 2300ms linear infinite;
		-ms-animation: cssload-rotate 2300ms linear infinite;
		-webkit-animation: cssload-rotate 2300ms linear infinite;
		-moz-animation: cssload-rotate 2300ms linear infinite;
}

@keyframes cssload-rotate {
	100% {
		transform: rotate(360deg);
	}
}

@-o-keyframes cssload-rotate {
	100% {
		-o-transform: rotate(360deg);
	}
}

@-ms-keyframes cssload-rotate {
	100% {
		-ms-transform: rotate(360deg);
	}
}

@-webkit-keyframes cssload-rotate {
	100% {
		-webkit-transform: rotate(360deg);
	}
}

@-moz-keyframes cssload-rotate {
	100% {
		-moz-transform: rotate(360deg);
	}
}

https://www.ads-software.com/plugins/ajax-load-more/