body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: #17263d;
    background: #ffffff;
}

.site-header {
    padding: 18px 24px;
    border-bottom: 1px solid #dddddd;
}

.site-logo {
    display: block;
    width: 150px;
    height: auto;
}

main {
    max-width: 900px;
    margin: 0 auto;
    padding: 70px 24px;
}

h1 {
    margin: 0;
    font-size: 3rem;
    line-height: 1.1;
}

.tagline {
    margin-top: 15px;
    font-size: 1.4rem;
    font-weight: 600;
    color: #3f8337;
}