* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    background-color: silver;
}

h1 {
    background-color: blue;
    color: white;
    text-align: center;
    padding: 1rem;
    margin-bottom: 1rem;
}

p {
    text-align: justify;
    font-size: medium;
    margin: .5rem 2rem;
}

h2 {
    text-decoration: underline;
    color: red;
    margin-left: 1.5rem;
}