body{
    font-family: sans-serif;
    font-size: small;
    background-color: hsl(218, 41%, 15%);
    background-image: radial-gradient(650px circle at 0% 0%,
        hsl(218, 41%, 35%) 15%,
        hsl(218, 41%, 30%) 35%,
        hsl(218, 41%, 20%) 75%,
        hsl(218, 41%, 19%) 80%,
        transparent 100%),
      radial-gradient(1250px circle at 100% 100%,
        hsl(218, 41%, 45%) 15%,
        hsl(218, 41%, 30%) 35%,
        hsl(218, 41%, 20%) 75%,
        hsl(218, 41%, 19%) 80%,
        transparent 100%);
}
.navbar-light .navbar-brand  {
    letter-spacing: 2px;
    font-size: 20px;
    font-weight: 800;
}
.opacity-70{
    line-height: 1.75rem;
    font-weight: 400;
    font-size: larger;
}