.page-content .product-gallery .profile-buy .button {
	bottom: 0px;
	padding-left: 5px;
	padding-right: 5px;
	position: relative;
	right: 0px;
	width: 94px;
}

.background {
	background: #ba2d00;
	cursor: pointer;
	display: inline-block;
	float: right;
	height: 52px;
	width: 33px;
}

.download {
	color: #fff;
	float: right;
	font-size: 24px;
	font-weight: bold;
	padding-top: 9px;
	text-align: center;
	text-decoration: none;
	width: 33px;
}

.spinner {
	animation: rotate 0.8s infinite linear;
	border: 4px solid #fff;
	border-radius: 50%;
	border-right-color: transparent;
	margin-left: 4px;
	margin-top: 13px;
	height: 17px;
	width: 17px;
}

@keyframes rotate {
	0% { transform: rotate(0deg); }
	100% { transform: rotate(360deg); }
}

.page-content .product-gallery .profile-buy .button {
	bottom: 0;
	padding-left: 5px;
	padding-right: 5px;
	position: relative;
	right: 0;
	width: 94px;
}

.background {
	background: #ba2d00;
	cursor: pointer;
	float: right;
	height: 52px;
	width: 33px;
}

.download {
	margin-top: 19px;
	margin-left: 8px;
	width: 0;
	height: 0;
	border-left: 8px solid transparent;
	border-right: 8px solid transparent;
	border-top: 16px solid #fff;
	font-size: 0;
	line-height: 0;
}

.spinner {
	animation: rotate 0.8s infinite linear;
	border: 4px solid #fff;
	border-radius: 50%;
	border-right-color: transparent;
	margin-left: 4px;
	margin-top: 13px;
	height: 17px;
	width: 17px;
}

@keyframes rotate {
	0% { transform: rotate(0deg); }
	100% { transform: rotate(360deg); }
}

Switch to download button in pure CSS
Switch to download button in pure CSS
