@import url('https://fonts.googleapis.com/css?family=Montserrat');
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: #000;
    color: #fff;
}

.intro {
    height: 100vh;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    letter-spacing: 0.1rem;
}

.intro-slideshow img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    /* relative to nearest positioned ancestor and not nearest block-level ancestor - alternatively: width: 100vw; */
    height: 100%;
    /* relative to nearest positioned ancestor and not nearest block-level ancestor - alternatively: height: 100vh; */
    object-fit: cover;
    z-index: -1;
    /* filter: brightness(50%); */
    /* 0% black, 100% original image, values > 100% are allowed for brighter than original image. */
    /* display: none; */
    opacity: 0;
    transition: opacity 0.75s ease-in-out;
}


/* .intro-slideshow img:first-child {
  display: block;
  opacity: 1;
} */

.intro .intro-header {
    border-radius: 0.5rem;
    padding: 2rem 2.5rem;
    background-color: rgba(0, 0, 0, 0.5);
}

.intro h1 {
    font-size: 4rem;
    margin-bottom: 0.75rem;
}

.intro p {
    font-size: 1.75rem;
}

@media (max-width: 700px) {
    html {
        font-size: 12px;
    }
    .intro-header {
        padding: 1.5rem 2rem;
    }
    .intro h1 {
        font-size: 2.5rem;
    }
    .intro p {
        font-size: 1.25rem;
    }
}