body {
  background: #f2f2f2;
  padding: 0;
  margin: 0;
  font-family: Roboto, sans-serif;
}

#header {
  height: 100px;
  width: 100%;
  background-color: rebeccapurple;
  position: fixed;
  top: 0;
  right: 0;
  line-height: 100px;
  text-align: center;
  z-index: 2;

  span {
    color: white;
    font-size: 2em;
  }
}

h1 {
  margin: 0;
  margin-bottom: 1rem;
}

#content {
  margin-top: 100px;
  min-height: calc(100vh - 100px);
  padding-top: 1rem;
  padding-bottom: 1rem;

  div.block {
    width: 800px;
    max-width: calc(100vw - 7rem);
    background: white;
    padding: 2rem;
    text-align: center;
    margin: {
      left: auto;
      right: auto;
    }

    &:nth-of-type(n + 2) {
      margin-top: 1rem;
    }
  }

  div#container {
    position: relative;
    height: 225px;
    left: 50%;
    transform: translateX(-50%);

    #img {
      display: block;
      height: 100%;
      width: auto;
      border-left: 9px solid #fff;
      transition: margin 0.5s ease, border-color 0.2s ease;
    }

    div#reflection {
      background: url(reflection.svg);
      background-size: cover;
      position: absolute;
      bottom: 0;
      width: 100%;
      height: 100%;
      transition: margin 0.5s ease;
    }
  }

  .col {
    display: inline-block;
    height: 70px;
    width: 70px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    background-color: #fff;

    &:nth-child(n + 2) {
      margin-left: 4px;
    }
  }

  #customcol {
    margin-top: 1rem;

    input {
      padding: 0.5rem;
      transition: background-color 0.2s ease;

      &:invalid {
        background-color: lightcoral;
      }
    }
  }

  input#file {
    position: fixed;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    transition: opacity 0.3s ease;
    visibility: hidden;
    opacity: 0;

    &.show {
      visibility: visible;
      opacity: 1;
    }

    &:after {
      content: 'Drop cover image anywhere...';
      color: white;
      text-shadow: rgb(0, 0, 0) 2px 0px 0px,
        rgb(0, 0, 0) 1.75517px 0.958851px 0px,
        rgb(0, 0, 0) 1.0806px 1.68294px 0px,
        rgb(0, 0, 0) 0.141474px 1.99499px 0px,
        rgb(0, 0, 0) -0.832294px 1.81859px 0px,
        rgb(0, 0, 0) -1.60229px 1.19694px 0px,
        rgb(0, 0, 0) -1.97998px 0.28224px 0px,
        rgb(0, 0, 0) -1.87291px -0.701566px 0px,
        rgb(0, 0, 0) -1.30729px -1.5136px 0px,
        rgb(0, 0, 0) -0.421592px -1.95506px 0px,
        rgb(0, 0, 0) 0.567324px -1.91785px 0px,
        rgb(0, 0, 0) 1.41734px -1.41108px 0px,
        rgb(0, 0, 0) 1.92034px -0.558831px 0px;
      position: fixed;
      top: 50%;
      left: 50%;
      transform: translateX(-50%);
      font-size: 2rem;
    }

    &:hover {
      cursor: pointer;

      & + label {
        background: rgb(144, 90, 199);
      }
    }

    & + label {
      color: white;
      background-color: rebeccapurple;
      padding: 0.9rem 1rem;
      transition: background-color 0.2s ease;

      svg {
        fill: white;
        padding-right: 5px;
      }
    }
  }
}

#footer {
  height: 100px;
  width: 100%;
  background-color: rgb(54, 30, 78);
  color: white;
  text-align: center;
  line-height: 100px;

  a {
    color: white;
  }
}