style.css

*{
    font-family: 'Itim', cursive;
}
.carousel-item{
    height: 500px;
}

.carousel-image-1{
    background-image: url('image/pic1.jpg');
    background-size: cover;
}

.carousel-image-2{
    background-image: url('image/pic2.jpg');
    background-size: cover;
}

.carousel-image-3{
    background-image: url('image/pic3.jpg');
    background-size: cover;
}

#about{
    min-height: 200px;
    position: relative;
    background-image: url("image/iceland-5586225_1280.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    text-align: center;
    color:#fff;
    background-attachment: fixed;
}
.dark-overlay{
    position: absolute;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.7);
    width: 100%;
    height: 100%;
}