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

body {
    padding: 0 5%;
}

header {
    width: 100%;
    height: 100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

main {
    padding: 5% 0;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 15px;
}

footer {
    width: 100%;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
}