body{
    margin: 0;
    padding: 0;
    background-image: url("assets/BK.jpg");
    background-size: cover;
    background-repeat: no-repeat;
}

.sec-1{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    margin-top: 10rem;
}

.sec-2{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: row;
}
.btn-1, .btn-2{
    text-align: center;
    margin-top: 2rem;
    margin-bottom: 4rem;
}

.sec-3-title{
    text-align: center;
    margin-top: 5rem;
}

.sec-3{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: row;
    margin-top: 3rem;
}

.sec-3 .left, .sec-3 .right{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

@media (max-width: 768px) {
    img {
        width: 90%;
    }
    
    .sec-2 img {
        width: 45%;
    }
    .sec-1 {
        margin-top: 4rem;
    }
    .sec-3{
        margin-top: 1rem;
        flex-direction: column;
    }
    .btn-1, .btn-2{
        margin-bottom: 2rem;
    }
    .sec-3-title{
        margin-top: 2rem;
    }

}