body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: #f8f9fa;
}

main {
    flex: 1;
}

.card-stat {
    border: 0;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.table td,
.table th {
    vertical-align: middle;
}

.badge-nao-lido {
    font-size: 0.75rem;
}