html {
    overscroll-behavior-y: none;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, avenir next, avenir, segoe ui, helvetica neue, helvetica, Cantarell, Ubuntu, roboto, noto, arial, sans-serif;
    margin: 0;
    padding: 0;
    height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.wrapper-playground {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-size: 120%;
    background-position: 40% center;
    background-repeat: no-repeat;
}

.wrapper-playground.gyp1 {
    background-image: url(pics/wahrheit.jpg);
}

.wrapper-playground.gyp2 {
    background-image: url(pics/freiheit.jpg);
}

.wrapper-playground::before {
    content: "";
    float: left;
    padding-bottom: 66.66%;
}

figure {
    display: flex;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    line-height: 0;
    margin: 0;
    padding: 0;
}

figure img {
    max-width: 100%;
    max-height: 100%;
    width: 100%;
    height: auto;
}

header {
    text-align: center;
    color: #ffffffc2;
    text-shadow: #CCC 5px 0 10px;
}

header h1 {
    margin-top: 0;
    margin-bottom: 0;
    font-size: 13vw;
}

header h1 span {
    display: block;
    position: relative;
    /* Sets in front of the image */
    z-index: 1;
    /* Sets in front of the image */
}

header p {
    margin: 0;
    font-size: 5vmin;
    mix-blend-mode: difference;
}

body>p {
    line-height: 1.5em;
    padding: 1em;
    max-width: 70ch;
    margin: auto;
}

#detector {
    position: absolute;
    top: 100vh;
}