body {
    font-family: sans-serif;
    line-height: 1.8em;
    margin: 0;
    padding: 80px 0 0;
}

h1, p {
    margin-bottom: 50px;
}

h2 {
    margin-bottom: 25px;
}

header {
    position: fixed;
    z-index: 10;
    top: 0;
    left: 0;
    width: 100%;
    height: 56px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #2f6e80;
}

header img.logo {
    height: 30px;
    cursor: pointer;
}

nav {
    display: flex;
    align-items: center;
}
nav:first-child {
    margin-left: 20px;

}

nav:last-child {
    margin-right: 20px;
}

nav a {
    color: #fff;
    text-decoration: none;
    margin-right: 10px;
    opacity: 0.5;
}

nav a:last-child {
    margin-right: 0;
}

nav a.active,
nav a:hover {
    opacity: 1;
}