:root  {
    --tr-size: 2rem;
}

*   {
    margin: 0;
    padding: 0;

    box-sizing: border-box;
}

header  {
    width: 100%;
    max-width: 60rem;
    margin: 6.5rem auto 6rem auto;
}

.group  {
    margin: 0;
    text-shadow: 0.45rem 0.45rem 0.75erm rgba(50, 50, 250, 0.5);
    font-style: 800;
    font-size: 12rem;
    text-align: center;
    color: rgb(248, 211, 103);
    line-height: 12rem;
    height: 12rem;
}

.container  {
    position: absolute;
    z-index: -1;
    animation-name: text-exp;
    animation-duration: 3s;

    text-align: center;
    width: 100%;
    font-size: var(--tr-size);
    font-weight: 750;

    text-shadow: 0.25rem 0.25rem 0.475rem rgba(248, 221, 103, 0.6);
}

.tr-txt   {
    color: rgb(116, 46, 245);
    font-weight: bold;
    margin-bottom: 0.625rem;
}

@keyframes text-exp   {
    from  {
        color: transparent;
        font-size: 0.006rem
    }

    to  {
        font-size: var(--tr-size);
    }
}