exercise__slideshow-header/style.css at master · coffeeandpixels/exercise__slideshow-header · GitHub

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* {
    margin: 0;
    padding: 0;
}
html {
    background-color: white;
    color: black;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 1.25em;
    font-weight: 400;
    line-height: 1.45;
}
header {
    -webkit-animation: slideshow 20s infinite;
    -moz-animation: slideshow 20s infinite;
    -o-animation: slideshow 20s infinite;
    animation: slideshow 20s infinite;
    background-color: gray;
    background-image: url("strip.jpg");
    background-repeat: no-repeat;
    background-size: 500% 100%;
    box-sizing: border-box;
    color: white;
    display: block;
    height: 66.66vw;
    padding: 3vw;
    width: 100%;
}
nav {
    -webkit-backdrop-filter: blur(.25rem);
    backdrop-filter: blur(.25rem);
    background-color: hsla(0, 0%, 0%, .5);
    border-radius: .5rem;
    display: block;
    padding: 1rem 1rem .9rem;
    width: auto;
}
main {
    margin: 2rem auto;
    max-width: 64ch;
    padding: 0 2rem;
}
h1 {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: .05em;
    line-height: 1;
    text-align: center;
    text-transform: uppercase;
}
h2 {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.2;
    padding: 0 0 .5rem;
}
p {
    -webkit-hyphens: auto;
    hyphens: auto;
    padding: 0 0 .5rem;
}
@keyframes slideshow {
    0% {
        background-position: 0% 0px;
    }
    18% {
        background-position: 0% 0px;
    }
    20% {
        background-position: 25% 0px;
    }
    38% {
        background-position: 25% 0px;
    }
    40% {
        background-position: 50% 0px;
    }
    58% {
        background-position: 50% 0px;
    }
    60% {
        background-position: 75% 0px;
    }
    78% {
        background-position: 75% 0px;
    }
    80% {
        background-position: 100% 0px;
    }
    98% {
        background-position: 100% 0px;
    }
    100% {
        background-position: 0% 0px;
    }
}