main {
    margin: 0 5% 0 12%;
    max-width: 80%;
}

#nav_vert {
height: 150em;
}

#block h2 {
    color: red;
    margin-left: 15%;
    margin-top: 1em;
}

.red {
    color: red;
}

.button {
    margin: 0 0 1em 18em;
    background-color: #4CAF50; /* green */
    color: white;
    font-size: 20px;
    text-align: center;
    padding: 10px 20px;
    border-radius: 15em;
}

#block {
    margin: 0 1em 0 -10em;
}
#block ul {
    margin-left: 20em;
}
hr {
    margin-left: 10em;
}