h2 {
    margin: 20px;
}

.padded {
    color: #7a7a7a;
    font-weight: normal;
}

#aligned {
    text-align: center; 
}

.bottom_space {
    margin-bottom: 50px;
}

.example_img {
    border-radius: 2px;
    border: 1px solid black;
    margin-bottom: 10px;
}

.example_padding {
    margin-top: 0;
    margin-left: 0;
}