@font-face {
    font-family: "Kallisto";
    font-display: swap;
    src: 
        url("https://cdn.asp.events/CLIENT_CloserSt_D86EA381_5056_B739_5482D50A1A831DDD/sites/DS-london-2023/media/__theme/fonts/KallistoBold.woff") format("woff"),
        url("https://cdn.asp.events/CLIENT_CloserSt_D86EA381_5056_B739_5482D50A1A831DDD/sites/DS-london-2023/media/__theme/fonts/KallistoBold.woff2") format("woff2"),
}