To change Eye Color please use. This css in wp-admin Appearance >> customize >> Additional CSS
.section-title-wrapper:after {
color:#000;
}
to add a floating button like our demo you can add this JS in wp-admin >> appearance >> Theme options Javascript.
<script>
document.write('<a href="https://www.webfulcreations.com/themes/eyecare-arabic/" class="primary bordered-dark button special-button">RTL AR Demo</a>');
</script>
To stylize that button use This CSS in upper section of same theme options page.
.button.special-button {
margin-bottom: 0 !important;
position: fixed !important;
left: 15px !important;
bottom: 15px !important;
font-size: .875rem !important;
font-weight: normal !important;
padding: 5px 10px !important;
border: 1px solid #e79800 !important;
z-index: 999999 !important;
color: #e79800 !important;
background-color: #FFF !important;
font-family: 'Lato',sans-serif !important;
text-transform: capitalize !important;
font-weight: bold !important;
}
.button.special-button:hover {
background-color:#e79800 !important;
color:#FFF !important;
}
Kindly note for RTL or arabic version in our Demo we have used a different WordPRess installation if you want to use Multi language on single WordPress installation in that case you would need plugins like WPML we cannot support you about that.