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

/* Hero */
.hero-section {

    height: 90vh;

    background:
    linear-gradient(
        rgba(0,0,0,0.6),
        rgba(0,0,0,0.6)
    ),

    url('https://images.unsplash.com/photo-1493225457124-a3eb161ffa5f?q=80&w=1400&auto=format&fit=crop');

    background-size: cover;
    background-position: center;
}

.card {
    border-radius: 15px;
}

.btn-primary {
    padding: 12px;
    border-radius: 10px;
}

/* Mobile */
@media(max-width:768px){

    .hero-section{

        height:auto;
        padding:100px 20px;
    }

    .hero-section h1{
        font-size:2.2rem;
    }
}