.tiles h1
{
    display: block;
    width: 100%;
    margin: 40px 0 0 40px;
}

.amazon-links {
margin: 2.5rem 0;
width: 40%;
float: left;
margin-right: 10%;
}

.reading-level {
margin: 2.5rem 0;
width: 40%;
float: left;
margin-right: 10%;
}

.reading-level h2 {
margin-bottom: 0.8rem;
}

.reading-level-table-wrap {
overflow-x: auto;
display: flex;
}

.reading-level-table {
width: 100%;
border-collapse: collapse;
margin-bottom: 1.25rem;
}

.reading-level-table th,
.reading-level-table td {
padding: 0.5rem 1rem;
text-align: left;
border-bottom: 1px solid #ddd;
}

.reading-level-table th {
font-weight: 600;
}

.reading-level-table td:last-child,
.reading-level-table th:last-child {
width: 30%;
white-space: nowrap;
}

.reading-level-table .overall-level td {
border-top: 2px solid #bbb;
}

.reading-level-note {
margin: 0;
line-height: 1.6;
}

.clear{
    clear: both;
}