Add this code to the Custom CSS field on the Style tab of your Instagram Feed widget’s settings:
/* Widget Title */
.es-widget-title {
font-family: Arial !important;
}
/* Header */
.eapps-instagram-feed-header-inner {
font-family: Arial !important;
}
/* Post Text */
.es-post-text {
font-family: Arial !important;
}
/* Popup */
.global-styles, .es-popup {
font-family: Arial !important;
}
/* Load More Button */
.es-load-more-button {
font-family: Arial !important;
}
You are very welcome to use any other font providing it’s installed on your website and supported by your browser