@import url(https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,400italic,600,600italic,700,700italic&subset=latin,cyrillic-ext,latin-ext,cyrillic);@import url(https://fonts.googleapis.com/css?family=Open+Sans:400,600,700,400italic,600italic,700italic&subset=latin,cyrillic-ext,latin-ext,cyrillic);.breadcrumb{--bs-breadcrumb-padding-x: 1rem;--bs-breadcrumb-padding-y: 0.5rem;--bs-breadcrumb-bg: transparent}.video-thumbnail{margin-bottom:0}.topic.bg-body-secondary:nth-of-type(2n+1){background-color:transparent !important}