html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #dadada;
    margin: 0;
    padding: 0;
    color: #333;
    text-align: block;
}
header {
    background: #222;
    color: #a7a7a7;
    padding-top: 0.5rem;
    text-align: center;
}
h1{
    margin: 0 0 0.5rem 0;
}

nav {
    text-align: center;
    margin: 0;
    padding: 0 1rem;
    background: #333;
    color: #a7a7a7;
}
nav a {
    color: #fff;
    text-decoration: none;
    margin: 0;
    padding: 0.5rem 1rem;
    display: inline-block;
}
nav a:hover {
    background: #555;
}

#nav-kontakt {
    scroll-margin-top: 6rem;
}

main {
    max-width: 700px;
    margin: 2rem auto;
    background: #fff;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    border-radius: 8px;
}
article {
    margin-bottom: 2rem;
}

.s-popiskem {
    width: 100%;
    margin: 0.5rem auto;
}

.s-popiskem img {
    width: 100%;
    border-radius: 4px;
    display: block;
    margin: 1rem auto;
}

.s-popiskem p {
    text-align: center;
    width: 90%;
    margin: 0 auto;
}

.s-popiskem .licence {
    opacity: 0.5;
}


.article-header p {
    font-size: 0.7rem;
    color: rgb(165, 165, 165);
}
h2 {
    margin-top: 0;
    color: #0077cc;
}

.back-to-top {
    display: inline-block;
    margin-top: 1rem;
    text-decoration: none;
    font-size: 0.9rem;
}

.back-to-top:hover {
    text-decoration: underline;
}

footer {
    text-align: center;
    padding: 1rem;
    background: #eee;
    color: #666;
    font-size: 0.9rem;
    margin-top: 2rem;
}
footer a {
    color: #0077cc; 
    text-decoration: none;
    margin: 0 0.5rem;
}
footer span {
    margin: 0 0.5rem;
}

@media screen and (min-width: 800px) {
    .s-popiskem {
        width: 80%;
    }

    .s-popiskem img {
        width: 100%;
    }

    .s-popiskem p {
        width: 100%;
    }
}