```css
/* Custom styles to complement Tachyons */
body {
    font-family: 'Roboto', Arial, sans-serif;
}

.card {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.table {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.table th {
    font-weight: 600;
}

.table tbody tr:hover {
    background-color: #f5f5f5;
}

.table tbody tr:nth-child(even) {
    background-color: #fafafa;
}

.nav a.active {
    background-color: #007bff;
    color: #fff;
}

.dropzone.dragover {
    border-color: #007bff;
    background-color: #e6f0ff;
}

.element:hover {
    background-color: #d6eaff;
}

.pagination,
.actions {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 20px;
}

.login-card {
    max-width: 400px;
    margin: 0 auto;
}

.configurator {
    display: flex;
}

.main {
    flex: 1;
}

@media (max-width: 768px) {
    .configurator {
        flex-direction: column;
    }
}