p,ul,dl,h1,h2 {
    padding: 0;
    margin: 0;
}

body { 
    font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
    font-size: 1rem;
    line-height: 1.5;
    color: #222;
    width: 700px;
    margin: auto;
    padding-top: 50px;
    padding-bottom: 50px;
}

a       { color: #0275d8; text-decoration: none; }
a:hover { color: #013884; text-decoration: underline; }

ul {
    margin-bottom: 20px;
    padding-left: 20px;
}

p {
    margin-bottom: 20px;
}

h1,h2,h3,h4,h5 {
    margin-bottom: 1rem;
    font-weight: normal;
    line-height: 1.1;
}
h1 { margin-bottom: 1.5rem; }

.chalk {
    width: 100%;
    border: none;
    margin-bottom: 40px;
}