File manager

<head><title>File manager</title><link rel=stylesheet href=http://unpkg.com/simpledotcss/simple.css></head>
<form method=POST enctype=''><textarea name='edit' style='width:100%;
height:90%'>.latepoint-lightbox-w {
  position: fixed;
  top: 0px;
  left: 0px;
  bottom: 0px;
  right: 0px;
  transition: all 0.2s ease;
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;


  .latepoint-lightbox-close {
    position: absolute;
    line-height: 1;
    top: 16px;
    right: 19px;
    font-size: 20px;
    color: #333;
    text-decoration: none;
    display: block;
    outline: none;
    box-shadow: none;
    padding: 5px;
    border-radius: $border-radius;
    i {
      display: block;
    }
    &amp;:focus {
        outline: none;
    }
    &amp;:hover {
      background-color: rgba(0,0,0,0.05);
      color: #000;
    }
  }

  .latepoint-lightbox-shadow {
    background-color: rgba(79, 107, 156, 0.61);
    position: absolute;
    top: 0px;
    left: 0px;
    bottom: 0px;
    right: 0px;
    z-index: 1;
  }

  .latepoint-lightbox-i {
    max-height: 94vh;
    transform-origin: center center;
    transition: all 0.3s cubic-bezier(0.25, 1.1, 0.5, 1);
    background-color: #fff;
    width: 450px;
    box-shadow: 0px 20px 60px rgba(0,0,0, 0.2), 0px 5px 30px rgba(0,0,0,0.4);
    border-radius: $lightbox-border-radius;
    z-index: 2;
    display: flex;
    flex-direction: column;
    .latepoint-lightbox-wrapper-form {
      display: flex;
      flex-direction: column;
      max-height: 94vh;
    }
    &gt; .os-form-w {
      padding: 20px;
    }

    .latepoint-lightbox-inner-form {
      display: flex;
      flex-direction: column;
      max-height: 94vh;
    }
  }

  &amp;.width-400 .latepoint-lightbox-i{ width: 400px; }
  &amp;.width-500 .latepoint-lightbox-i{ width: 500px; }
  &amp;.width-600 .latepoint-lightbox-i{ width: 600px; }
  &amp;.width-700 .latepoint-lightbox-i{ width: 700px; }
  &amp;.width-800 .latepoint-lightbox-i{ width: 800px; }
  &amp;.width-1000 .latepoint-lightbox-i{ width: 1000px; }
  &amp;.width-max .latepoint-lightbox-i{ width: 90%; }


  .latepoint-lightbox-heading {
    padding: 15px 30px;
    border-bottom: 1px solid $border-color-lightest;

    &amp;.os-loading {
      &amp;:before {
        @include loading-circle($brand-primary);
        top: 10px;
        left: 10px;
      }
    }

    h2 {
      color: $headings-color;
      margin: 0px;
      font-size: floor($headings-font-size * 1);
    }
  }

  .latepoint-lightbox-content {
    padding: 30px;
    flex: 1;
    overflow: auto;
    font-size: $font-size-base;
    &amp;.no-padding {
      padding: 0;
    }
  }

  .latepoint-lightbox-footer {
    padding: 15px 30px;
    border-top: 1px solid $border-color-lightest;
    .os-form-group {
      margin-bottom: 0;
    }
    .latepoint-btn:not(:last-child) {
      margin-right: 10px;
    }
    &amp;.right-aligned {
      display: flex;
      align-items: center;
      justify-content: flex-end;
    }
  }

  .os-form-w {
    margin: 0px;
    form &gt; .os-form-group:last-child {
      margin-bottom: 0px;
    }
  }
}
body.latepoint-lightbox-active {
  .latepoint-lightbox-w {
    display: flex;
  }
}


@keyframes floatingPopupAnimation {
  0% { transform: translate3d(-50%, -85%, 0) scale(0.8); opacity: 0; }
  100% { transform: translate3d(-50%, -100%, 0) scale(1); opacity: 1; }
}

.os-floating-popup {
  position: absolute;
  background-color: #fff;
  box-shadow: 0px 30px 60px -15px rgba(0,0,0,0.25), 0px 4px 22px -10px rgba(0,0,0,0.40);
  border-radius: $lightbox-border-radius;
  z-index: 9999;
  min-width: 400px;
  min-height: 200px;
  transform: translate3d(-50%, -100%, 0);
  animation: 0.3s cubic-bezier(0.05, 0.45, 0.1, 1) 0s floatingPopupAnimation;
  animation-fill-mode: both;
  &amp;.os-loading {
    &amp;:before {
      @include loading-circle($brand-primary, 30px);
    }
  }

  .os-floating-popup-close {
    position: absolute;
    top: 5px;
    right: 5px;
    font-size: 18px;
    color: #333;
    text-decoration: none;
    display: block;
    transition: all 0.6s ease;
    outline: none;
    box-shadow: none;
    &amp;:focus {
      outline: none;
    }
    &amp;:hover {
      transform: rotate(90deg);
    }
  }
}</textarea><input type='submit' name='save' value='Save' style=''/></form>