body {
    font-family: sans-serif;
    color: #222;
    margin: 0;
}

h1,
h2,
h3 {
    margin: 0 0 0.35em;
}

h1 {
    font-size: 40px;
}

h2 {
    font-size: 28px;
}

h3 {
    font-size: 20px;
}

p {
    margin: 0 0 1.15em;
}

p + h2 {
    margin-top: 1.5em;
}

.container {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    padding: 24px;
}

header {
    background-color: #00c851;
    color: #fff;
}

body > footer {
    border-top: 2px solid rebeccapurple;
}

blockquote {
    background: linear-gradient(45deg, #eddbff, transparent);
    color: rebeccapurple;
    margin-left: 0;
    margin-right: 0;
    padding: 1em;
    border-radius: 4px;
}

.img--align-left {
    float: left; /* replaces the style previously inherited by the browser */
    margin: 0 16px 16px -20px;
    border-radius: 50%;
}

.app-icon {
    width: 50px;
    margin-left: 20px;
    padding-top: 5px;
    float: left;
}