.carousel-item {
    position: relative;
    min-height: 460px;
}

.carousel-item-inner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.carousel-item:nth-child(1) {
    background: url('images/blog-banner-slide-01.jpg') no-repeat center;
    background-size: cover;
}

.carousel-item:nth-child(2) {
    background: url('images/blog-banner-slide-02.jpg') no-repeat center;
    background-size: cover;
}

.carousel-item:nth-child(3) {
    background: url('images/blog-banner-slide-03.jpg') no-repeat center;
    background-size: cover;
}

.banner-info-box {
    background-color: rgba(0, 0, 0, 0.8);
}

.author-section {
    min-height: 400px;
    background: url('images/author-section-bg.jpg') no-repeat center;
    background-size: cover;
}

@media (max-width: 767px) {
    .carousel-item .lead {
        font-size: 0.875rem;
    }
}

@media (min-width: 768px) {
    .carousel-item {
        min-height: 520px;
    }
}

@media (min-width: 992px) {
    .carousel-item:nth-child(2) .lead,
    .carousel-item:nth-child(3) .lead {
        letter-spacing: 1px;
    }
}

@media (min-width: 1200px) {
    .carousel-item {
        min-height: 640px;
    }
}