body {
	font-family: Arial, Sans-serif;
	font-size: 12pt;
	line-height: 1.4;
    width: 90%;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

h1,h2,h3,h4,h5,h6 {
	font-weight: normal;
	margin-top: 2em;
	color: #077bca;
}

section:not(:first-child) {
	border-top: 1px dashed #077bca;
}

code {
	color: #077bca;
}

#fixed-size-grid-items ul {
    padding-left: 0;
}

#fixed-size-grid-items li {
    list-style-type: none;
    display: inline-flex;
    flex-wrap: wrap;
}

#fixed-size-grid-items aside {
    color: #077bca;
    width: 170px;
    margin: 10px;
    font-size: 0.8rem;
}

#stretchable-grid-items ul {
    padding: 0;
    margin: 1rem -10px 1rem -10px;
    display: flex;
    flex-wrap: wrap;
}

#stretchable-grid-items li {
    list-style-type: none;
    width: 100%;
    display: inline-flex;
}

#stretchable-grid-items aside {
    margin: 10px;
    color: #077bca;
    font-size: 0.8rem;
}

@media (min-width: 480px) {
    #stretchable-grid-items li {
        width: 50%;
    }
}

@media (max-width: 500px) {
    h1 {
        font-size: 1.5rem;
    }
}

@media (min-width: 640px) {
    html {
        background-color: #eaf6ff;
    }

    h1 {
        font-size: 2.5rem;
    }

    #stretchable-grid-items li {
        width: 25%;
    }
}