design-themes/theme_aviato/views/snippets/s_features.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>

<template id="s_features" inherit_id="website.s_features">
    <!-- Section -->
    <xpath expr="//section" position="attributes">
        <attribute name="class" add="pt48 pb56" remove="pt64 pb64" separator=" "/>
    </xpath>
    <!-- Titles -->
    <xpath expr="//div[hasclass('row')]/div[1]/div/h3" position="replace" mode="inner">
        Hotel Booking
    </xpath>
    <xpath expr="//div[hasclass('row')]/div[2]/div/h3" position="replace" mode="inner">
        Flight Booking
    </xpath>
    <xpath expr="//div[hasclass('row')]/div[3]/div/h3" position="replace" mode="inner">
        Ticket Booking
    </xpath>
    <!-- Icons -->
    <xpath expr="//div[hasclass('row')]/div[1]/i" position="attributes">
        <attribute name="class" add="fa-hotel" remove="fa-paper-plane-o" separator=" "/>
    </xpath>
    <xpath expr="//div[hasclass('row')]/div[2]/i" position="attributes">
        <attribute name="class" add="fa-plane" remove="fa-credit-card" separator=" "/>
    </xpath>
    <xpath expr="//div[hasclass('row')]/div[3]/i" position="attributes">
        <attribute name="class" add="fa-ticket" remove="fa-flag-o" separator=" "/>
    </xpath>
</template>

</odoo>