body {
font-family: Arial, sans-serif;
}

.hero-section {
height: 100vh;
background: linear-gradient(rgba(0,0,0,.6), rgba(0,0,0,.6));
display:flex;
align-items:center;
justify-content:center;
}

.card:hover {
transform: translateY(-5px);
transition:0.3s;
}