* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background: black;
}

/* Each full screen section */
.service {
    height: 100vh;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Dark overlay */
.overlay {
    background: rgba(0,0,0,0.65);
    padding: 60px;
    border-radius: 15px;
    text-align: center;
    max-width: 700px;
}

/* Text */
.overlay h1,
.overlay h2 {
    color: #ffcc00;
    font-size: 48px;
    margin-bottom: 20px;
}

.overlay p {
    color: white;
    font-size: 20px;
}

/* Mobile */
@media(max-width:768px) {
    .overlay {
        padding: 30px;
    }
    .overlay h1,
    .overlay h2 {
        font-size: 32px;
    }
    .overlay p {
        font-size: 16px;
    }
}