Hi,
Please try to paste the custom css code to “Appearance > Customize : Additional CSS”:
//main content font
body { font-family: 'xxx'; }
//headding font
body.single .title-wrap-tit,.title-wrap-h1, .archive-grid-item-tit,.title-wrap-meta-a,.archive-grid-item-meta-item,h1,h2,h3,h4,h5,h6, .entry h1,.entry h2,.entry h3,.entry h4,.entry h5,.entry h6, .text_block h1,.text_block h2,.text_block h3,.text_block h4,.text_block h5,.text_block h6,.ux-portfolio-template-intro h1,.ux-portfolio-template-intro h2,.ux-portfolio-template-intro h3,.ux-portfolio-template-intro h4,.ux-portfolio-template-intro h5,.ux-portfolio-template-intro h6,.slider-con-inn h1,.slider-con-inn h2,.slider-con-inn h3,.slider-con-inn h4,.slider-con-inn h5,.slider-con-inn h6,
.infrographic-tit,.bignumber-item {font-family: 'xxx'; }
//menu font
.navi-trigger-text, #navi-header a,.header-bar-social .socialmeida-a,.heade-meta .languages-shortname {
font-family: 'xxx'; }
//Slider1 , portfolio item title
.grid-item-tit, .product-caption-title, .bm-tab-slider-trigger-tilte {
font-family: 'xxx'; }
ps: Please don’t set the font settings in Appearance > Theme Options > Font settings .
Regards!