.card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    color: #212529;
    overflow-wrap: break-word;
    background: #fff;
    background-clip: border-box;
    border: 1px solid var(--alt-border-color, rgba(0, 0, 0, .175));
    border-radius: .375rem;
}

.card-header {
    padding: .5rem 1rem;
    margin-bottom: 0;
    border-bottom: 1px solid var(--alt-border-color, rgba(0, 0, 0, .175));
    border-radius: calc(.375rem - 1px) calc(.375rem - 1px) 0 0;
}

.card-body {
    flex: 1 1 auto;
    padding: 1rem;
}