Reply To: Style Adjustments to Customer Service page

Try to use the following CSS code

/* Button style */

.wpcf7 input[type=submit] {
	color: white;
	background-color: Blue;
}

.wpcf7 input[type=submit]:hover {
	background-color: red;
}

/* Active tab style */

body.wpb-js-composer .vc_tta-color-purple.vc_tta-style-modern .vc_tta-panel.vc_active .vc_tta-panel-title>a,
body.wpb-js-composer .vc_tta-color-purple.vc_tta-style-modern .vc_tta-tab.vc_active>a {
	color: white;
	background-color: Blue;
}

body.wpb-js-composer .vc_tta-color-purple.vc_tta-style-modern .vc_tta-panel.vc_active .vc_tta-panel-title>a i:before {
	border-color: white;
}

/* Non-active tabs */

body.wpb-js-composer .vc_tta-color-purple.vc_tta-style-modern .vc_tta-tab>a,
.wpb-js-composer .vc_tta-color-purple.vc_tta-style-modern .vc_tta-panel .vc_tta-panel-heading {
	border: none;
}

body.wpb-js-composer .vc_tta-color-purple.vc_tta-style-modern .vc_tta-panel .vc_tta-panel-title>a,
body.wpb-js-composer .vc_tta-color-purple.vc_tta-style-modern .vc_tta-tab>a {
	color: white;
	background-color: red;
}

body.wpb-js-composer .vc_tta-color-purple.vc_tta-style-modern .vc_tta-tab > a:hover {
	background-color: green;
}