.Bronze-Maintenance-Plan,  .small-border {
    background-image: url('https://www.trdesigns.co.uk/WordPress-Maintenance-Plans/Bronze-WordPress-Maintenance-Plan.jpg')
}

.Silver-Maintenance-Plan,  .small-border {
    background-image: url('https://www.trdesigns.co.uk/WordPress-Maintenance-Plans/Silver-WordPress-Maintenance-Plan.jpg')
}

.Gold-Maintenance-Plan,  .small-border {
    background-image: url('https://www.trdesigns.co.uk/WordPress-Maintenance-Plans/Gold-WordPress-Maintenance-Plan.jpg')
}