.sidebar-portal{background-attachment:fixed;background-image:url(../assets/images/background/sidebar-portal.png);background-position:0 100%;background-repeat:no-repeat;background-size:55vw}.dark .sidebar-portal,.sidebar-portal{background-color:transparent}@media (max-width:768px){.sidebar-portal{background-image:url(../assets/images/background/sidebar-portal.png),linear-gradient(180deg,#1e2a78,#5081ff);background-size:100vh}}