.header-DEVELOPMENT { background: linear-gradient(180deg, rgba(253, 176, 34, 0.08) 0%, rgba(253, 176, 34, 0) 100%); border-top: 4px solid #FDB022; } .header-TESTING { background: linear-gradient(180deg, rgba(6, 174, 212, 0.08) 0%, rgba(6, 174, 212, 0) 100%); border-top: 4px solid #06AED4; } .alpha { width: 12px; height: 12px; background: url(./assets/alpha.svg) center center no-repeat; }