Please add this code to Custom CSS field in Content Views >> Settings page, and change the value as your expectation:
the label text
.cvp-live-filter .cvp-label { background: red !important; color: #fff !important; padding: 5px; }
the Submit button
.cvp-live-button .cvp-live-submit { color: #fff !important; background-color: #5cb85c !important; }
the Reset button
.cvp-live-button .cvp-live-reset { color: #fff !important; background-color: #d9534f !important; }
the active “Button” type
.cvp-live-filter.cvp-button input[type=radio]:checked+div { background: #00aeef !important; color: #fff !important; }
the “Range Slider” filter
# Change the green background color
.cvp-range .irs-bar, .irs-from, .irs-single, .irs-to {background: #20b426 !important;} .cvp-range .irs-bar {border-color: transparent !important;}
# Change the width of the bar
.irs-with-grid {width: 90%;} /* change the percentage value */
Best regards,