body {
    margin: 40px auto;
    max-width: 850px;
    line-height: 1.6;
    font-size: 18px;
    color: #444;
    background-color: #fefefe;
    padding: 0 10px;
}

.text-content {
    text-align: justify;
}

nav {
    border-bottom: 1px solid black;
}

.nav-menu ul {
    list-style-type: none;
    padding-left: 0;
}

.nav-item {
    display: inline-block;
    padding: 0 5px;
}

.global-footer {
    border-top: 1px solid black;
}

h1,
h2,
h3 {
    line-height: 1.2
}

blockquote p {
    padding: 15px;
    background: #eee;
    border-radius: 5px;
}

blockquote p::before {
    content: '„';
}

blockquote p::after {
    content: '”';
}

img {
    max-width: 100%;
}

.picture {
    text-align: center;
}