* {
    box-sizing: border-box;
  }
  html, body {
    position: relative;
    height: 100%;
  }
  body {
    margin: 0;
    padding: 0;
    font-family: "consolas",monospace;
    font-size: 14px;
    line-height: 1.5;
    background: #f9f9f9;
    color: #333;
  }
  code {
    background: #208bfd;
    color: #f9f9f9;
    padding: 0.1em 0.5em;
    border-radius: 4px;
  }
  .image-placeholder {
    margin: auto;
    width: 89%;
    max-width: 500px;
    display: block;
    height: 380px;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    background-image: url(https://webdevtrick.com/wp-content/uploads/image-placeholder.png);
  }
  @media (max-width: 420px) {
    .image-placeholder {
      width: 320px;
      max-width: 320px;
      height: 280px;
      background-size: contain;
      background-position: top left;
      background-attachment: scroll;
    }
  }
  header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4em;
    background: #208bfd;
    margin: 0 auto;
    text-align: center;
    color: #f9f9f9;
  }
  ::placeholder {
    color: #212121;
  }
  input {
    display: inline-block;
    width: 100%;
    max-width: 50%;
    max-width: calc(100% - 8em);
    min-height: 2.8em;
    padding: 0.5em;
    margin: 0.5em 0;
    background: #f3f3f3;
    border-color: #208bfd;
    border-width: 1px;
    color: #212121;
    transition: all 500ms ease;
  }
  input:focus, input:hover {
    border-color: #208bfd;
    transition: all 500ms ease;
  }
  
  @media (min-width: 420px) {
    input {
      max-width: 50%;
    }
  }
  .search {
    display: inline-block;
    padding: 0 1em;
    text-align: center;
    min-width: 2.8em;
    height: 2.8em;
    margin: 0;
    background: #208bfd;
    border: 2px solid #212121;
    color: #f9f9f9;
    transition: all 500ms ease;
  }
  .search:focus, .search:hover {
    background: #212121;
    border-color: #f9f9f9;
    cursor: pointer;
    transition: all 500ms ease;
  }
  .result {
    margin: 0 auto;
    padding: 4em 1em;
    max-width: 40em;
  }
  .result video, .result img {
    width: calc(100% - 4em);
    margin: 2em;
  }
  .result .download {
    text-decoration: none;
    display: inline-block;
    padding: 0.5em 1em;
    background: #208bfd;
    border-color: #208bfd;
    border-width: 1px;
    color: #f9f9f9;
    transition: all 500ms ease;
  }
  .result .download:focus, .result .download:hover {
    background: #208bfd;
    border-color: #f9f9f9;
    cursor: pointer;
    transition: all 500ms ease;
  }
  @media (max-width: 600px) {
    .result {
      position: absolute;
      top: 4em;
      left: 0;
      right: 0;
      height: calc(100% - 10em);
      overflow-y: auto;
      max-width: 40em;
      background: #f9f9f9;
      margin: auto;
    }
  }
  footer {
    width: 100%;
    margin: 2em auto;
    text-align: center;
  }
  
  @media (max-width: 600px) {
    footer {
      position: absolute;
      bottom: 1em;
      left: 0;
      right: 0;
      height: 2em;
    }
  }