body{
    padding: 0;
    margin: 0;
    background-color: rgb(153, 153, 150);
    color: black;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
}
header{
    text-align: center;
    font-weight: bold;
    
}
header h2{
    font-weight: normal;
    font-size: 16px;
    color: rgb(113, 135, 146);
}
nav{
    text-align: center;
    padding: 5px;
}
nav a{
    text-decoration: none;
    margin: 0 10px;
    
}
nav a:hover{
    text-decoration: underline;
}
main{
    max-width: 800px;
    margin: 40px auto;
    padding: 0 30px;
    
}
article{
    padding: 10px;
}
article div{
    margin-bottom: 20px;
}
article img{
    max-width: 100%;
    display: block;
    margin: 20px auto;
}
footer{
    text-align: center;
}