@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@300;400;500;600&display=swap');

:root {
    --color-black: #212121;
    --color-white: #FFF;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

.article section img {
    width: 300px;
    height: auto;
}

.article section {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.header nav {
    position: fixed;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
}

.header nav a {
    border: 3px solid #000;
    border-radius: 50%;
    display: block;
    margin: 10px;
    height: 50px;
    width: 50px;
}

.header nav a:nth-child(1), article #pagina-uno {
    background-color: #f4eeb4;
}

.header nav a:nth-child(2), article #pagina-dos {
    background-color: #acc4a0;
}

.header nav a:nth-child(3), article #pagina-tres {
    background-color: #55897d;
}

.header nav a:nth-child(4), article #pagina-cuatro {
    background-color: #425454;
}

.header nav a:nth-child(5), article #pagina-cinco {
    background-color: #7b564e;
}

.footer{
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: flex-end;
    z-index: 99;
    position: fixed;
    width: 500px;
    height: 200px;
    top: 85%;
    left: 50%;
    margin-top: -100px;
    margin-left: -250px;
}

.footer a{
    font-size: 1.2rem;
    text-decoration: none;
    text-align: center;
    margin: .5rem;
    color: var(--color-white);
    background-color: var(--color-black);
    padding: .5rem .73rem;
    border-radius: 25%;
}