$accent-color: greenyellow;
$green: green;
$grey: grey;
$light-grey: lightgrey;
$dark-grey: darkgrey;

body {
  width: 100vw;
  margin: 0;
  background-color: black;
  color: $green;
  font-family: monospace;
}

a {
  color: $accent-color;
}

h1 {
  margin: .5em auto;
  width: fit-content;
}

header {
  nav {
    width: 100%;
    max-width: 100%;

    ul {
      display: flex;
      flex-flow: row nowrap;
      justify-content: center;

      list-style-type: none;
      padding: 0;
      margin: 0;

      li {
        display: inline-block;
        padding: 1em 2em;
      }
    }
  }
}

#gallery {
  width: 90%;
  height: 72vh;
  background-color: $light-grey;
  margin: auto;
  padding: 1em;

  #screen {
    position: relative;
    width: 90%;
    height: calc(90% - 2em);
    margin: auto;

    #screen-content {
      width: 100%;
      height: 100%;
      padding: 1em;
      overflow: scroll;
      background-color: #111;
      border: 2px solid $dark-grey;
      border-radius: 5px;

      img {
        max-width: 90%;
        margin: auto;
      }
    }
  }

  // this has been done thanks to this :
  // https://stackoverflow.com/questions/13188828/inset-box-shadow-beneath-content
  #screen::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
    padding: calc(1em + 2px); // padding + border of #screen-content
    border-radius: 5px;
    box-shadow: 0 0 3em 0 black inset;
    background-image: radial-gradient(rgba(70,70,70,0.5),rgba(0,0,0,0));
    pointer-events: none;
  }

  #brand {
    position: relative;
    color: dimgray;
    margin: auto;
    width: fit-content;
    bottom: -3em;
    font-weight: 900;
    font-family: sans-serif;
  }
}