body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: rgb(52, 111, 139);
    margin: 0px;
}

#banner {
    border-radius: 5px;
}
header {
    background-color: white;
    padding: 10px;
    margin: 10px 20px;
}

ul.horizontal-menu {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: rgb(255, 224, 50);
    font-family: Helvetica, sans-serif;
    font-weight: 600;
    border-radius: 5px;
    box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.288);
  }
  
li.horizontal-menu {
    float: left;
  }
  
li a {
    display: block;
    margin: 0;
    color: rgb(52, 111, 139);
    text-align: left;
    padding: 14px 16px;
    text-decoration: none;
  }

.horizontal-menu a:hover {
    background-color: rgb(52, 111, 139);
    color: white;
    transition: 0.5s;
  }

main {
    background-color: white;
    padding: 10px;
    margin: 10px 20px;
}

main > h1 {
    margin: 10px 20px;
    text-align: justify;
}

main > p {
    width: 400px;
    margin: 10px 20px;
    text-align: justify;
}

main > img {
    margin: 10px 20px;
}

article {
    background-color: white;
    padding: 5px;
}

article > aside {
    background-color: lightgray;
}

#faleconosco {
    background-color: white;
    padding: 10px;
    margin: 10px 20px;
}

#form {
    background-color: white;
    padding: 10px;
    margin: 10px 20px;
}

#form > fieldset {
    border-radius: 6px;
}

footer {
    background-color: rgb(4, 41, 100);
    color: white;
    text-align: center;
    padding: 1px;
    margin: 10px 20px;
}

footer > p {
     margin: 0px;
}

.footer {
    padding: 10px;
}