Examine source code of pastel trend

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "pastel trend",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-030-0f935cfde055600d01a959c5c15353de.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(251, 203, 251, 0.86)",
      "toolbar_text": "rgb(102, 102, 194)",
      "frame": "rgb(247, 212, 212)",
      "tab_background_text": "rgb(104, 104, 196)",
      "toolbar_field": "rgba(102, 118, 225, 0.26)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgba(251, 203, 251, 0)",
      "popup": "rgb(245, 226, 226)",
      "popup_text": "rgb(104, 104, 196)",
      "ntp_background": "rgb(215, 219, 247)",
      "ntp_text": "rgb(102, 102, 194)",
      "sidebar_border": "rgba(102, 118, 225, 0.26)",
      "sidebar_highlight_text": "rgb(247, 212, 212)",
      "sidebar_highlight": "rgb(102, 102, 194)",
      "sidebar_text": "rgb(102, 102, 194)",
      "sidebar": "rgb(215, 219, 247)",
      "toolbar_bottom_separator": "rgba(251, 203, 251, 0.86)",
      "toolbar_top_separator": "rgba(251, 203, 251, 0.86)",
      "tab_loading": "rgba(251, 203, 251, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{993b93a0-602a-4392-b899-dc8a4981de10}"
    }
  }
}