body {
    background-color: rgb(204, 232, 207);
    line-height: 1.2;
}

p {
    text-align: left;
    font-size: 1.3em;
    margin: 40px 10%;
    letter-spacing: 0.9px;
    word-spacing: 2.2px;
    padding: 0.1em;
}

.nav {
    display: inline-block;
    width: 30%;
    height: 120%;
    margin: 40px 0;
    font-size: 20px;
    text-align: center;
}

h1 {
    margin-top: 120px;
}

h1,
h3 {
    text-align: center;
}

h3 {
    margin-top: 30px;
    margin-bottom: 50px;
}

.header {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    background-color: rgb(204, 232, 207);
}

a {
    text-decoration: none;
    color: green;
}