Scss edit

Hi, is there is any option to edit sass files in this theme? When I compiled by compass all theme is broken. Also theme break font by adding inline css like this:

" body,h1,h2,h3,h4,h5,h6,.h1,.h2,.h3,.h4,.h5,.h6,#left_column .title_block a,#rightvar_column .title_block a,.block .title_block a,.block h4 a,#category_blog_block_left .title_block a,.shopping_cart_container .shopping_cart > a:first-child > span.ajax_cart_quantity,.element-icon.style4 .title strong,.footer.style9 .widget .widget-title,.lastest-blog.style5 .metas .date .day,.lastest-blog.style6 .info .blog-title,.testimonials.style2 h6,.block-banner-text.style2 .title,.block-text .primary,.block-text .text .txt-primary,.button-loadmore,.box-cart-total,.box-cart-total .price,.shop-table.order td.total,.shop-table.order th.total,.shop-table.order .order-total td,.payment_methods .payment_method label,.block-kt-banner.style2 .subtitle .big-text,div.selector1 > div.selector select,#top_column .vmegamenu-title h2{
font-family:""
,sans-serif;}