<style>
#main-content > div > div:nth-child(n+2):nth-child(-n+6) > div > div > p > a
{
    background-color: #f2f2f2;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.15);
    display: block;
    font-size: 20px;
    line-height: 60px;
    text-decoration: none;
    color: black;
}
#main-content > div > div:nth-child(n+2):nth-child(-n+6) > div > div > p > a:hover
{
    background-color: #e9e9e9;
}