How to remove the house icon ?

You will need to add this code snippet into “Global CSS” section under (Sahifa TiePanel >> Styling):

header#theme-header #main-nav ul li.menu-item-home a , header#theme-header #main-nav ul li.menu-item-home.current-menu-item a{
    background-image: none !important;
    text-indent: 0;
    width:auto;}