.panel {
    position: relative;
}

#background-1 {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    max-width: 1200px;
    width: 100%;
    padding: 0 5vw;
    text-align: center;
    font-size: 40px;
}

#background-3 {
    font-size: 35px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    max-width: 1200px;
    width: 100%;
    padding: 0 5vw;
    font-family: "Century Gothic";
}