* {
    margin: 15px;
    color: black;
}

strong {
    margin: 0;
}

p {
    padding: 3px;
}

div {
    border: 4px solid black;
}

header,
main,
footer {
    border: 3px solid blue;
    background-color: #dff7ff;
}

nav,
section,
aside {
    border: 2px solid grey;
    background-color: #e3e3e3;
}

article {
    border: 1px solid #ff642b;
    background-color: #fff4e1;
}

#special {
    border-top: none;
    border-bottom: none;
    padding-top: 5px;
    padding-bottom: 3px;
}