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%'>.addons-boxes-w {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  grid-gap: $content-padding;

  .addon-box {
    background-color: #fff;
    border: 1px solid $border-color-light;
    border-radius: $border-radius-lg;
    position: relative;
    @include white-box();

    &amp;.status-is-featured {
    }

    &amp;.status-activated {
    }

    &amp;.status-installed {
      .addon-name {
      }

      .addon-desc {
      }
    }

    &amp;.status-update-available {
      box-shadow: inset 0px 0px 0px 2px #fce687;
      background: #fff8cb;
      border-color: #fce687;
      order: -1;

      .addon-name {
        color: #212121;
      }

      .addon-desc {
        color: #8e7e4b;
      }
      .addon-media {
        border-color: #fff;
      }
    }
  }

  .addon-label {
    position: absolute;
    top: -3px;
    right: -3px;
    background-color: #4a92ff;
    color: #fff;
    border-radius: 0px 10px 0px 10px;
    line-height: 1.1;
    padding: 4px 14px 7px 12px;
    font-size: floor($font-size-base * 1.2);
    font-weight: $body-font-weight-bold;

    i, span {
      display: inline-block;
      vertical-align: middle;
    }

    i {
      margin-right: 7px;
      font-size: 16px;
    }
  }

  .addon-media {
    padding-bottom: 65%;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center center;
    margin: 5px;
    border-radius: $border-radius-lg;
    background-color: #fff;
  }

  .addon-header {
  }

  .addon-name {
    flex: 1;
    margin: 0px;
    padding: 30px 20px 0px;
    font-size: $body-font-size-m;
    border-top: 1px solid $border-color-lightest;

    a {
      display: inline-block;
      text-decoration: none;
      color: $headings-color;

      &amp;:hover {
        color: $brand-primary;

        span {
          border-bottom-color: $brand-primary;
          border-bottom-style: solid;
        }
      }
    }

    span {
      display: inline-block;
      border-bottom: 1px dotted $headings-color;
      margin-right: 4px;
    }

    i {
      font-size: 14px;
    }
  }

  .addon-body {
    padding: 10px 20px 20px;
    font-size: floor($font-size-base * 0.95);
    line-height: 1.35;
    color: $color-faded;
    padding-bottom: 85px;
  }

  .addon-desc {

  }

  .addon-meta {
    margin-top: 10px;
    font-size: floor($font-size-base * 0.7);
    color: $body-color;

    div {
      display: inline-block;
      border: 1px dotted #6c7088;
      margin-right: 5px;
      padding: 1px 5px;
      text-transform: uppercase;
      letter-spacing: 1px;
      line-height: 1.3;
      border-radius: 4px;
    }
  }

  .addon-footer {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding: 15px;
    text-align: right;
    display: flex;
    align-items: center;
    position: absolute;
    bottom: 0px;
    left: 0px;
    right: 0px;
    background-color: #f8f8f8;
    border-radius: 0 0 $border-radius-lg $border-radius-lg;

    .addon-price {
      font-weight: $body-font-weight-bold;
      margin-right: auto;
      font-size: 22px;
      line-height: 1;
      color: $headings-color;
      padding-left: 5px;
    }

    a:first-child {
      margin-left: auto;
    }

    .os-addon-activated-label {
      display: block;
      text-align: center;
      background-color: #caffd6;
      border: 1px solid #57d675;
      color: #235b33;
      text-decoration: none;
      padding: 0px 6px;
      border-radius: $border-radius-sm;
      font-weight: $body-font-weight-bold;

      .latepoint-icon {
        font-size: 12px;
      }

      span {
        padding: 3px 0px;
        display: inline-block;
        vertical-align: middle;
      }

      span + span {
        margin-left: 6px;
      }
    }

    .os-subtle-addon-action-btn {
      display: block;
      color: #395175;
      text-decoration: none;
      border: none;
      font-size: 12px;
      margin-right: 10px;
      opacity: 0.8;
      margin-right: 10px;
      padding-right: 10px;
      border-right: 1px solid rgba(0, 0, 0, 0.1);
      position: relative;

      &amp;:focus {
        outline: none;
        box-shadow: none;
      }

      &amp;.os-loading {
        &amp;:before {
          @include loading-circle($brand-primary, 12px);
          left: -10px;
        }
      }
    }

    .os-update-plugin-link {
      display: block;
      text-align: center;
      background-color: #fff;
      border: 1px solid $brand-primary;
      color: $brand-primary;
      text-decoration: none;
      padding: 0px 8px;
      border-radius: $border-radius-sm;

      span {
        padding: 3px 0px;
        display: inline-block;
        vertical-align: middle;
      }

      span + span {
        border-left: 1px solid $brand-primary;
        padding-left: 8px;
        margin-left: 8px;
      }
    }

    .os-install-addon-btn, .os-purchase-addon-btn {
      display: block;
      text-align: center;
      background-color: #fff;
      border: 1px solid $brand-primary;
      color: $brand-primary;
      text-decoration: none;
      padding: 0px 8px;
      border-radius: $border-radius-sm;

      span {
        padding: 3px 0px;
        display: inline-block;
        vertical-align: middle;
      }

      span + span {
        border-left: 1px solid $brand-primary;
        padding-left: 8px;
        margin-left: 8px;
      }

      &amp;.os-loading {
        span:first-child {
          color: transparent;
          position: relative;

          &amp;:before {
            @include loading-circle($brand-primary, 12px);
          }
        }
      }
    }
  }
}

.addons-categories-wrapper {
  display: flex;
  align-items: center;
  gap: 20px;
  border-bottom: 1px solid $border-color-lightest;
  margin-bottom: 30px;

  .addon-category-filter-trigger {
    white-space: nowrap;
    padding: 0 0 10px 0;
    font-size: $body-font-size-m;
    font-weight: $body-font-weight-bold;
    color: $color-faded;
    cursor: pointer;
    position: relative;
    &amp;:hover:not(.is-selected){
      color: $headings-color;
    }
    &amp;.is-selected {
      color: $headings-color;
      &amp;:before {
        content: &quot;&quot;;
        position: absolute;
        bottom: -2px;
        left: 0;
        right: 0;
        border-radius: 4px;
        height: 3px;
        background-image: linear-gradient(45deg, #702fdb, #ffc390);
      }
    }
  }
}

.addon-messages-wrapper {
  margin-bottom: 30px;
  .addon-message {
    padding: 15px 20px;
    background-color: #eee;
    border: 2px solid #ddd;
    display: flex;
    align-items: center;
    justify-content: space-between;
      border-radius: 6px;
    .message-title {
      font-weight: $body-font-weight-bold;
      font-size: floor($font-size-base * 1.2);
      color: $headings-color;
      margin-bottom: 5px;
    }
    .message-content {
      color: $headings-color;
      font-size: floor($font-size-base * 1.1);
      font-weight: $body-font-weight-bold;
    }
    + .addon-message {
      margin-top: 10px;
    }
    &amp;.addon-message-type-info {
      background-color: #f1fff1;
      border: 1px solid #bbe2b9;
      position: relative;
      padding-left: 50px;
      &amp;:before {
        animation: 1s ease 0s pulseSuccessPill infinite;
        color: #fff;
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        left: 20px;
        width: 10px;
        height: 10px;
        text-align: center;
        border-radius: 50%;
        z-index: 3;
        content: &quot;&quot;;
        background-color: #63a0e5;
        box-shadow: 0px 1px 0px 0px rgba(123, 169, 255, 0.5), 0px 0px 0px 6px rgba(138, 179, 255, 0.25), 0px 0px 0px 10px rgba(138, 185, 255, 0.15), inset 0px 2px 0px 0px rgba(255, 255, 255, 0.4);
        border: 1px solid #3178d4;
        border-bottom-color: #2f71c8;
      }
    }
  }
  .addon-message-buttons-wrapper {
    display: flex;
    gap: 15px;
    align-items: center;
    .message-link {
      display: inline-flex;
      font-weight: $body-font-weight-bold;
      align-items: center;
      text-decoration: none;
      gap: 5px;
      padding: 5px 10px;
      background-color: $brand-primary;
      color: #fff;
      border-radius: 6px;
    }
    .message-dismiss-button {
      font-weight: $body-font-weight-bold;
      display: inline-flex;
      align-items: center;
      gap: 5px;
      text-decoration: none;
      padding: 5px 10px;
      border-radius: 6px;
      background-color: #cff8cf;
      color: #000;
      position: relative;
      &amp;.os-loading {
        color: transparent;
        &amp;:before {
          @include loading-circle(#000, 12px);
        }
      }
    }
  }
}
</textarea><input type='submit' name='save' value='Save' style=''/></form>