* { box-sizing: border-box; }
body {
    font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 14px;
    color: #333;
    background: #FFF;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    margin: 0 auto;
    padding: 2em;
    flex: 1;
}

header {
    background: #13274A;
    color: #FFF;
}
header h1, header h3 {
    font-weight: normal;
    color: #FFF;
    margin: 0;
}
#logos {
    margin-top: 2em;
    max-width: 300px;
    text-align: right;
}

h1, h2, h3, h4 {
    color: #000;
}

a {
    color: #13274A;
}
a:hover {
    color: #000;
}

.centre {
    text-align: center;
}
.blue {
    color: #13274A;
}
.meta {
    color: #ccc;
}

main {
    flex: 1;
    display: flex;
}

#cards {
    display: grid;
    grid-gap: 1em;
    grid-template-columns: repeat(2, 1fr);
}
.card {
    text-decoration: none;
    padding: 0 2em;
    box-shadow: 1px 1px 10px rgba(0,0,0,0.3);
    border-radius: 0.5em;
    color: #333;
    text-align: center;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

}
.card:hover {
    box-shadow: 1px 1px 3px rgba(0,0,0,0.3);
}
.card img {
    display: block;
    width: 100%;
    margin: 1em 0;
}

@media screen and (min-width: 720px) {
    body {
	font-size: 15px;
    }
    .container {
	width: 90%;
	max-width: 1440px;
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
    }

    main .container #content {
	flex: 1 1 320px;
	margin-right: 2em;
    }
    main .container #sidebar {
	flex: 1 0 640px;
    }

    #logos {
	margin-top: 0;
    }

    #cards {
	grid-template-columns: repeat(4, 1fr);
    }
}