Remove CSS from Header after Uninstall

Hi,

After trying to install it on the client’s blog then uninstall it for some reasons, the plugin left unwanted CSS in the header.

How to remove it?

Thanks

/** Start Envato Elements CSS: Tech (general business) (171-3-7eeb504fef9xxxxxxxxxxxxxxxxx) **/

/* Envato Template Kits Custom Styles
 * Apply to the Advanced tab of the element it affects
 * Illustrations by Humaaans
 */
.envato-kit-175-slide .slick-slide-bg.elementor-ken-out, .envato-kit-175-slide .slick-slide-bg.elementor-ken-in{
transform: scale(1.2);
}
.envato-kit-175-slide .slick-slider .slick-track{
	overflow: visible !important;
}
 /* List Style with icon BG */
.envato-kit-175-list-style-light .elementor-icon-list-icon {
		width: 50px !important;
}

.envato-kit-175-list-style-light .elementor-icon-list-icon i {
		padding: 0.75em;
		border-radius: 50%;
		background-color: #F5F7FF;
}

.envato-kit-175-list-style-extra .elementor-icon-list-icon {
		width: 50px !important;
}

.envato-kit-175-list-style-extra .elementor-icon-list-icon i {
		padding: 0.75em;
		border-radius: 50%;
		background-color: #FFB200;
}

.envato-kit-175-list-style-dark .elementor-icon-list-icon {
		width: 50px !important;
}

.envato-kit-175-list-style-dark .elementor-icon-list-icon i {
		padding: 0.75em;
		border-radius: 50%;
		background-color: #3235D8;
}
/* Accordion shadow*/
.envato-kit-175-accordion-style .elementor-accordion .elementor-accordion-item {
		margin: 10px 0;
		border-radius: 20px;
		box-shadow: 0px 0px 20px 0px rgba(0,0,0,0.1);
}

.envato-kit-175-accordion-style .elementor-accordion .elementor-accordion-item:first-child {
		margin-top: 0;
}

.envato-kit-175-accordion-style .elementor-accordion .elementor-accordion-item .elementor-active {
		margin-bottom: 30px;
}

.envato-kit-175-accordion-style .elementor-accordion .elementor-accordion-item .elementor-tab-title {
		margin-bottom: 0;
}

.envato-kit-175-accordion-style .elementor-accordion .elementor-accordion-item .elementor-tab-title.elementor-active {
		padding-bottom: 0;
}

.envato-kit-175-accordion-style2 .elementor-accordion .elementor-accordion-item {
		margin: 30px 0;
		border: 10px solid #F5F7FF !important;
		border-radius: 20px;
}

.envato-kit-175-accordion-style2 .elementor-accordion .elementor-accordion-item:first-child {
		margin-top: 0;
}

.envato-kit-175-accordion-style2 .elementor-accordion .elementor-accordion-item .elementor-active {
		margin-bottom: 30px;
}

.envato-kit-175-accordion-style2 .elementor-accordion .elementor-accordion-item .elementor-tab-title {
		margin-bottom: 0;
}

.envato-kit-175-accordion-style2 .elementor-accordion .elementor-accordion-item .elementor-tab-title.elementor-active {
		padding-bottom: 0;
}

.envato-kit-175-img-box-style .elementor-image-box-title {
		margin-top: 0;
}

.envato-kit-175-icon-box-style .elementor-icon-box-title {
		margin: 0;
}
/* Left-Aligned Pricing Tables */
.envato-kit-175-price-style .elementor-price-table {
		text-align: left;
}

.envato-kit-175-price-style .elementor-price-table .elementor-price-table__price {
		justify-content: start;
}

.envato-kit-175-price-style .elementor-price-table__features-list {
		text-align: left !important;
}

.envato-kit-175-price-style .elementor-price-table .elementor-price-table__features-list li .elementor-price-table__feature-inner  {
		margin-left: 0;
		margin-right: 0;
}

.envato-kit-175-price-style .elementor-price-table__feature-inner i {
		font-size: 1em;
		font-weight: 100;
		padding: 0.45em;
		border-radius: 50%;
		background-color: #f4f4f4;
	color: #ff4935 !important;
}

.envato-kit-175-price-style-extra .elementor-price-table {
		text-align: left;
}

.envato-kit-175-price-style-extra .elementor-price-table .elementor-price-table__price {
		justify-content: start;
}

.envato-kit-175-price-style-extra .elementor-price-table__features-list {
		text-align: left !important;
}

.envato-kit-175-price-style-extra .elementor-price-table .elementor-price-table__features-list li .elementor-price-table__feature-inner  {
		margin-left: 0;
		margin-right: 0;
}

.envato-kit-175-price-style-extra .elementor-price-table__feature-inner i {
		font-size: 1em;
		font-weight: 100;
		padding: 0.45em;
		border-radius: 50%;
		background-color: #f4f4f4;
}

.envato-kit-175-row-hover-style .elementor-column-wrap .elementor-heading-title {
		opacity: 0;
		transition: all .3s ease-in-out; 
}

.envato-kit-175-row-hover-style .elementor-column-wrap:hover .elementor-heading-title {
		opacity: 1; 
}

/** End Envato Elements CSS: Tech (general business) (171-3-7eeb504fef9cxxxxxxxxxxxxxx) **/

		</style>