Examine source code of seagreen waves

{
  "manifest_version": 2,
  "version": "2.0",
  "name": "seagreen v2",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-012-1e971c5fbb8dec3acbd76dd6c6819de9.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(18, 46, 56, 0.8)",
      "toolbar_text": "rgb(151, 188, 199)",
      "frame": "rgb(18, 46, 56)",
      "tab_background_text": "rgb(207, 233, 241)",
      "toolbar_field": "rgba(96, 144, 159, 0.6)",
      "toolbar_field_text": "rgb(207, 233, 241)",
      "tab_line": "rgb(96, 144, 159)",
      "popup": "rgba(18, 46, 56, 0.94)",
      "popup_text": "rgb(151, 188, 199)",
      "ntp_background": "rgb(18, 46, 56)",
      "ntp_text": "rgb(207, 233, 241)",
      "popup_border": "rgb(151, 188, 199)",
      "popup_highlight_text": "rgb(18, 46, 56)",
      "popup_highlight": "rgb(151, 188, 199)",
      "sidebar_border": "rgb(151, 188, 199)",
      "sidebar_highlight_text": "rgb(207, 233, 241)",
      "sidebar_highlight": "rgba(96, 144, 159, 0.6)",
      "sidebar_text": "rgb(207, 233, 241)",
      "sidebar": "rgb(18, 46, 56)",
      "tab_loading": "rgb(151, 188, 199)",
      "tab_selected": "rgba(96, 144, 159, 0.6)",
      "tab_text": "rgb(207, 233, 241)",
      "toolbar_field_border_focus": "rgba(25, 89, 113, 0.8)",
      "toolbar_field_highlight_text": "rgb(207, 233, 241)",
      "toolbar_field_highlight": "rgba(18, 46, 56, 0.8)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c66cb402-e10a-440f-a655-09e6fa71e0a2}"
    }
  }
}