body {
    margin: 0px;
    font-family: sans-serif;
}

#topo {
    background-color: #f0f0f0;
    padding: 10px;
}

#topo h1 {
    margin: 0px;
    font-size: 14pt;
}
#topo h1 span {
    color: #b43b3b;
}

#topo section {
    width: 800px;
    margin: auto;
    padding: 20px;
}
#topo h1, #topo nav {
    display: inline-block;
}
nav a {
    border-radius: 10px;
    color: #000;
    text-decoration: none;
    margin-left: 40px;
    padding: 10px 15px;
}
nav a:hover {
    border-radius: 10px;
    background-color: #b43b3b;
    color: #000;
    text-decoration: none;
    padding: 10px 15px;
}
#container {
    width: 800px;
    margin: auto;
}
figure {
    width: 100%;
    margin: 0px;
    background-color: #f0f0f0;
    border-radius: 15px;
    margin-top: 10px;
}
figure img {
    border-radius: 10px 10px 0px 0px;
}
figcaption {
    text-align: center;
    padding: 20px;
}
.artigo {
    border: 1px solid #ccc;
    width: 21%;
    float: left;
    margin-top: 10px;
    margin-bottom: 10px;
    padding: 15px 15px 0px 15px;
}
.artigo img {
    width: 40px;
    margin-left: 40%;
}
.artigo h2 {
    color: #b43b3b;
    text-align: center;
}
.artigo button {
    margin-left: 0px;
}
button {
    background-color: #272727;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    margin-bottom: 20px;
}
button a {
    text-decoration: none;
    color: #fff;
    padding: 20px 4px 20px 4px;
}

#container h1 {
    clear: both;
    background-color: #b43b3b;
    text-align: center;
    color: #fff;
    border-radius: 5px;
}
p {
    text-align: justify;
}

footer {
    background-color: #272727;
    color: #fff;
    line-height: 50px;
    height: 50px;
    text-align: center;
    text-transform: uppercase;
}