body {
    padding-top: 70px;
}

button {
    transition: all 0.2s ease;
}

button:active {
    transform: scale(0.95);
}

.display {
    min-height: 5rem;
}

.project-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}