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

body {
    font-family: Arial, sans-serif;
    background-color: #333;
}

header {
    background-color: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
}

header nav ul {
    list-style: none;
    padding: 0;
}

header nav li {
    display: inline-block;
    margin: 0 10px;
}

header nav li a{
    text-decoration: none;
    color: #ccc;
}

header nav li a:hover{
    text-decoration: none;
    color: #fff
}

main #home{
    display: flex;
    justify-content: center;
}