.theme-blog-category-column .theme-blog-category-container.theme-blog-rss-feed {
    display: none;
}
<style>
        .button-container {
            text-align: center;
        }

        .custom-button {
            background-color: #ffcb08;
            color: #58585a;
            font-size: 20px;
            font-weight: 600;
            text-decoration: none;
            border: none;
            border-radius: 40px;
            font-family: 'Baloo Thambi 2', sans-serif;
            padding: 14px 45px;
            cursor: pointer;
            box-shadow: 2px 2px 2px 2px rgba(88, 88, 90, 0.2);
        }
    </style>
	 <div class="button-container">