Hello,
We will update our theme as soon as possible.
Go to Admim Panel > Appearance > Customize > Additional CSS and paste below given CSS.
.woocommerce #respond input#submit,
.woocommerce a.button, .woocommerce button.button,
.woocommerce input.button,
.woocommerce .widget_price_filter .ui-slider .ui-slider-handle,
.woocommerce .widget_price_filter .ui-slider .ui-slider-range,
.woocommerce #respond input#submit.alt.disabled,
.woocommerce #respond input#submit.alt.disabled:hover,
.woocommerce #respond input#submit.alt:disabled,
.woocommerce #respond input#submit.alt:disabled:hover,
.woocommerce #respond input#submit.alt:disabled[disabled],
.woocommerce #respond input#submit.alt:disabled[disabled]:hover,
.woocommerce a.button.alt.disabled,
.woocommerce a.button.alt.disabled:hover,
.woocommerce a.button.alt:disabled,
.woocommerce a.button.alt:disabled:hover,
.woocommerce a.button.alt:disabled[disabled],
.woocommerce a.button.alt:disabled[disabled]:hover,
.woocommerce button.button.alt.disabled,
.woocommerce button.button.alt.disabled:hover,
.woocommerce button.button.alt:disabled,
.woocommerce button.button.alt:disabled:hover,
.woocommerce button.button.alt:disabled[disabled],
.woocommerce button.button.alt:disabled[disabled]:hover,
.woocommerce input.button.alt.disabled,
.woocommerce input.button.alt.disabled:hover,
.woocommerce input.button.alt:disabled,
.woocommerce input.button.alt:disabled:hover,
.woocommerce input.button.alt:disabled[disabled],
.woocommerce input.button.alt:disabled[disabled]:hover,
.woocommerce button.button.alt,
.woocommerce input.button.alt,
.back-to-top a:hover,
.wp-caption-text,
.wpcf7-submit[type="submit"],
#bbpress-forums button:hover,
.site-footer input[type="reset"]:hover,
.site-footer input[type="button"]:hover,
.site-footer input[type="submit"]:hover,
.mean-container .mean-nav ul li a:hover,
.mean-container a.meanmenu-reveal span,
.widget_search .search-submit,
.featured-section .price,
.wpcf7-submit[type="submit"]::before,
.rwspt-btn-business::before,
.load-button::before,
.btn, .back-to-top a,
.subscribe-content .wpcf7-submit[type="submit"],
input[type="reset"], input[type="button"],
input[type="submit"] {
background-color: #76bf3b ;
}
Thank you.