.categoryNav {
    display: flex;
    flex-direction: row;
    justify-content:center;
    flex-wrap:wrap;
}

.catItem {
    border: 2px solid #ddd;
    padding: 1em;
    width: 150px;
    text-align: center;
}

.catItem:hover {
    border: 2px solid #999;
}

.postContent {
    padding: 0 2em 0 2em;
}

pre {
    background-color: #eee;
    text-wrap: auto;
}

.last10Posts {
    display: flex;
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
}

.postCard {
    border: 3px solid #eee;
    border-radius: 2em;
    box-shadow: #eee 5px 5px;
    padding: 1.5em;
    margin: 1em;
    width: 300px;
}