*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: black;
}
h1 {
    color: white;
    margin-top: 20px;
}

header {
    display: flex;
    justify-content: center;
    align-items: center;
}
h2 {
    font-size: 18px;
    color: white;
}
h3 {
    font-size: 12px;
    color: rgb(150, 148, 148);
}
main {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    width: 100%;
    height: 100vh;
    justify-content: center;
    align-items: center;
}
main section {
    width: 200px;
    height: 200px;
    
}