.card {
    background-color: #DDDDDD;
    margin: 30px;
    border-radius: 10px;
    padding: 10px;
    box-shadow: 0 12px 28px rgba(0, 0, 0, .45);    
}

.card-header {
    padding: 16px;
    font-weight: bold;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.card-contents {
    padding: 20px;
    min-height: 100px;
}

.card-footer {
    padding: 16px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}