{"id":1323,"date":"2026-07-27T02:00:51","date_gmt":"2026-07-27T02:00:51","guid":{"rendered":"https:\/\/www.vpascode.com\/id\/docs\/uncategorized\/echarts-playbook\/scatter-chart-bivariate-distribution-and-point-clustering\/"},"modified":"2026-07-29T08:49:31","modified_gmt":"2026-07-29T08:49:31","slug":"scatter-chart-bivariate-distribution-and-point-clustering-guide","status":"publish","type":"ld_docs","link":"https:\/\/www.vpascode.com\/id\/docs\/vpascode-docs\/echarts-playbook\/scatter-chart-bivariate-distribution-and-point-clustering-guide\/","title":{"rendered":"Scatter Chart: Bivariate Distribution and Point Clustering"},"content":{"rendered":"<p>When exploring relationships or correlations between two continuous variables, the <strong>Scatter Chart<\/strong> (or Scatter Plot) is the primary analytical tool. By plotting data points across a two-dimensional grid based on numeric X and Y coordinates, scatter charts help reveal <em>clusters, outliers, trends, and correlations<\/em> across complex datasets, such as marketing spend versus lead generation or employee experience versus salary.<\/p>\n<h2>The Mechanics of Scatter Charts<\/h2>\n<p>Unlike category-driven column or line charts, scatter charts use numeric value axes for both dimensions. In Apache ECharts, setting <code>type: 'scatter'<\/code> expects data formatted as two-element numerical coordinate arrays <code>[x, y]<\/code> or data objects mapped across numerical <code>xAxis<\/code> and <code>yAxis<\/code> configurations.<\/p>\n<h3>1. Essential Setup<\/h3>\n<p>To build a basic scatter chart, define <code>type: 'value'<\/code> on both axes and provide numeric coordinate pairs within your series data array:<\/p>\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">ECharts<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/#echarts:eNqVj0FrgzAUx++FfoccBm4gjyQajR07lH2EXjZKD65mJUyNaFbqRr77El2pSi59p7z3e\/9fEtVoqWr0gn7XK2RLK1Vq2Wyu\/TBr5ekk2g0KpBZVEN7Ip2qrXOuBvdnMEZv16t0diAnGNfO\/ftleZDfX9o2wuXNefouptM4rN98WaNeIukCPD19PC1l\/r+xV1WfRdvar3ULViVYK69rfMhPtRN0dh59O5UO+rz5UuZM\/dofQBSxync\/U19oTDDhEHHB8CD3YgjRECWTMi0nk0ikw7sUZYObknPjTZLw7ivw4djiDLPHiBHDk7qb+lxPq0jFQfzoFzB3m1IsZYBoiBgk\/zOmkNePRTszzH\/dwiuw=\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit ECharts in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-echarts\"><code data-language=\"echarts\" class=\"language-echarts\">option = {\r\n    tooltip: {\r\n        trigger: 'item',\r\n        formatter: 'X: {c0}\r\nY: {c1}'\r\n    },\r\n    xAxis: {\r\n        type: 'value',\r\n        name: 'Ad Spend ($k)'\r\n    },\r\n    yAxis: {\r\n        type: 'value',\r\n        name: 'Conversions'\r\n    },\r\n    series: [\r\n        {\r\n            type: 'scatter',\r\n            symbolSize: 12,\r\n            data: [\r\n                [10.0, 8.04],\r\n                [8.07, 6.95],\r\n                [13.0, 7.58],\r\n                [9.05, 8.81],\r\n                [11.0, 8.33],\r\n                [14.0, 9.96],\r\n                [6.03, 7.24],\r\n                [12.0, 4.26],\r\n                [7.08, 4.82],\r\n                [5.02, 5.68]\r\n            ]\r\n        }\r\n    ]\r\n};<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/#echarts:eNqVj0FrgzAUx++FfoccBm4gjyQajR07lH2EXjZKD65mJUyNaFbqRr77El2pSi59p7z3e\/9fEtVoqWr0gn7XK2RLK1Vq2Wyu\/TBr5ekk2g0KpBZVEN7Ip2qrXOuBvdnMEZv16t0diAnGNfO\/ftleZDfX9o2wuXNefouptM4rN98WaNeIukCPD19PC1l\/r+xV1WfRdvar3ULViVYK69rfMhPtRN0dh59O5UO+rz5UuZM\/dofQBSxync\/U19oTDDhEHHB8CD3YgjRECWTMi0nk0ikw7sUZYObknPjTZLw7ivw4djiDLPHiBHDk7qb+lxPq0jFQfzoFzB3m1IsZYBoiBgk\/zOmkNePRTszzH\/dwiuw=\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit ECharts in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<p id=\"QLcSwWa\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1983\" height=\"1331\" class=\"alignnone size-full wp-image-1324 \" src=\"https:\/\/www.vpascode.com\/id\/wp-content\/uploads\/sites\/7\/2026\/07\/img_6a66bc74bd0ba.png\" alt=\"\" srcset=\"https:\/\/www.vpascode.com\/id\/wp-content\/uploads\/sites\/7\/2026\/07\/img_6a66bc74bd0ba.png 1983w, https:\/\/www.vpascode.com\/id\/wp-content\/uploads\/sites\/7\/2026\/07\/img_6a66bc74bd0ba-300x201.png 300w, https:\/\/www.vpascode.com\/id\/wp-content\/uploads\/sites\/7\/2026\/07\/img_6a66bc74bd0ba-1024x687.png 1024w, https:\/\/www.vpascode.com\/id\/wp-content\/uploads\/sites\/7\/2026\/07\/img_6a66bc74bd0ba-768x515.png 768w, https:\/\/www.vpascode.com\/id\/wp-content\/uploads\/sites\/7\/2026\/07\/img_6a66bc74bd0ba-1536x1031.png 1536w\" sizes=\"(max-width: 1983px) 100vw, 1983px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2>Advanced Structural Techniques<\/h2>\n<p>Scatter charts can incorporate dynamic sizing to represent a third variable (bubble chart) or display multi-category cluster overlays.<\/p>\n<h3>1. Variable Point Sizing (Bubble Effect)<\/h3>\n<p>Pass a custom function or data value mapping to <code>symbolSize<\/code> to encode a third quantitative metric into point size:<\/p>\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">ECharts<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/#echarts:eNqVU11rgzAUfS\/0P1zYIOsmVm1dO8seyn7AYD6WPkSbdmFqQoylbvjfl2SWGusYuyCae84998swLikr4Bm+xiNQJhnLJOXR+Wx8gh4ORESAqCQ5ci7InokcS6mxfVWkRuqOY4HzSVdAmyCyEgWgmJNiF8EtggcwTHeHJd54W3VGH+OR8tuBraE3ciRFRa5D\/b9DX9exqt4OC0zYCa0uMc3PZ9N2eFqfaGlPouaqAHTEWUW6cyhwrv2mN2SL1P8VafvsyZREUKJ0Nhd+b8Bt+AvOOaaHouxKd9KWqVlYHy3rPGFZTD9Jd5V6UFeb7GzzPMh7CFcwnUKc4oxAUiWJepVKDJIa5DsVOzhiQbFy21pNrwwtaDV5to0fOuAHngNL19s6A4RAE5aKsHCDQYKvsFA\/vwjMFTbTAk9uOEiYKSzwTQZva+N9vr4osawzEg1NL2UZ09fpJpwvvPQRDSRjHKdU1hF47qI3sqv\/VdXSrL4BHOjTPA==\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit ECharts in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-echarts\"><code data-language=\"echarts\" class=\"language-echarts\">option = {\r\n    tooltip: {\r\n        trigger: 'item',\r\n        formatter: function (param) {\r\n            return 'Spend: $' + param.data[0] + 'k\r\n' +\r\n                   'Revenue: $' + param.data[1] + 'k\r\n' +\r\n                   'ROAS: ' + param.data[2] + 'x';\r\n        }\r\n    },\r\n    xAxis: {\r\n        type: 'value',\r\n        name: 'Spend'\r\n    },\r\n    yAxis: {\r\n        type: 'value',\r\n        name: 'Revenue'\r\n    },\r\n    series: [\r\n        {\r\n            name: 'Campaigns',\r\n            type: 'scatter',\r\n            symbolSize: function (data) {\r\n                return data[2] * 5; \/\/ Scale bubble size by third variable\r\n            },\r\n            data: [\r\n                [15, 120, 8.0],\r\n                [25, 180, 7.2],\r\n                [10, 50, 5.0],\r\n                [40, 380, 9.5],\r\n                [30, 210, 7.0]\r\n            ],\r\n            itemStyle: {\r\n                color: '#5470c6',\r\n                opacity: 0.7\r\n            }\r\n        }\r\n    ]\r\n};<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/#echarts:eNqVU11rgzAUfS\/0P1zYIOsmVm1dO8seyn7AYD6WPkSbdmFqQoylbvjfl2SWGusYuyCae84998swLikr4Bm+xiNQJhnLJOXR+Wx8gh4ORESAqCQ5ci7InokcS6mxfVWkRuqOY4HzSVdAmyCyEgWgmJNiF8EtggcwTHeHJd54W3VGH+OR8tuBraE3ciRFRa5D\/b9DX9exqt4OC0zYCa0uMc3PZ9N2eFqfaGlPouaqAHTEWUW6cyhwrv2mN2SL1P8VafvsyZREUKJ0Nhd+b8Bt+AvOOaaHouxKd9KWqVlYHy3rPGFZTD9Jd5V6UFeb7GzzPMh7CFcwnUKc4oxAUiWJepVKDJIa5DsVOzhiQbFy21pNrwwtaDV5to0fOuAHngNL19s6A4RAE5aKsHCDQYKvsFA\/vwjMFTbTAk9uOEiYKSzwTQZva+N9vr4osawzEg1NL2UZ09fpJpwvvPQRDSRjHKdU1hF47qI3sqv\/VdXSrL4BHOjTPA==\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit ECharts in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<p id=\"qFeLtJj\"><img decoding=\"async\" width=\"1889\" height=\"1331\" class=\"alignnone size-full wp-image-1326 \" src=\"https:\/\/www.vpascode.com\/id\/wp-content\/uploads\/sites\/7\/2026\/07\/img_6a66bc81792a5.png\" alt=\"\" srcset=\"https:\/\/www.vpascode.com\/id\/wp-content\/uploads\/sites\/7\/2026\/07\/img_6a66bc81792a5.png 1889w, https:\/\/www.vpascode.com\/id\/wp-content\/uploads\/sites\/7\/2026\/07\/img_6a66bc81792a5-300x211.png 300w, https:\/\/www.vpascode.com\/id\/wp-content\/uploads\/sites\/7\/2026\/07\/img_6a66bc81792a5-1024x722.png 1024w, https:\/\/www.vpascode.com\/id\/wp-content\/uploads\/sites\/7\/2026\/07\/img_6a66bc81792a5-768x541.png 768w, https:\/\/www.vpascode.com\/id\/wp-content\/uploads\/sites\/7\/2026\/07\/img_6a66bc81792a5-1536x1082.png 1536w\" sizes=\"(max-width: 1889px) 100vw, 1889px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2>Fine-Tuning Layout and Styling<\/h2>\n<p>Controlling marker opacity and adding target trendlines prevents dense clusters from turning into solid visual blobs.<\/p>\n<h3>1. Translucent Markers and Cluster Styling<\/h3>\n<p>Applying border strokes and semi-transparent item fills keeps overlapping data points visible within high-density clusters:<\/p>\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">ECharts<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/#echarts:eNqdkLFOwzAQhnck3uEkhApScJ20sZMghoqVrQNDxeA0bmspiSvXRQ0o7845SWkSlYUbLP93v787n95bpUt4ge\/bG8DYGpUlZ+EilxubwMSn9xPvkjVqu7uSXuvSClW+iVTmCVhzlG2t7jynxUkdBnhb7SVyPkV+lH3SYS1y2SJgOoXF0eqnJgcCEVCoclqIE1gNG2UhE1aAdTPl1bBj9Z+OQ8RBGiWRsbp4e7geEgnWStOHNu+rItX5Un2hx2ejorKyWNrKdR5B233m2iDZbFPxEM098P0AjzjygBL2OO7kItUmk+a1e3gXzjlds7+N7yqzuwSCYb0e+d1+Bws4x8pnPsGRQp+wD89JTkKUMaGNxAvKeUyCVnJCPWAzV70GC0OCXwtnHYxTZ+\/DfITxcyvWwGISXYdx5iZDV9TaqZM87EbhQTPor6QkRjlHOWT1ZN1eMVM\/\/wC0cLJP\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit ECharts in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-echarts\"><code data-language=\"echarts\" class=\"language-echarts\">option = {\r\n    grid: {\r\n        left: '10%',\r\n        right: '10%',\r\n        containLabel: true\r\n    },\r\n    xAxis: {\r\n        type: 'value',\r\n        scale: true \/\/ Auto-scale axis min\/max to fit data tightly\r\n    },\r\n    yAxis: {\r\n        type: 'value',\r\n        scale: true\r\n    },\r\n    series: [\r\n        {\r\n            type: 'scatter',\r\n            symbolSize: 16,\r\n            itemStyle: {\r\n                color: 'rgba(84, 112, 198, 0.6)',\r\n                borderColor: '#5470c6',\r\n                borderWidth: 2\r\n            },\r\n            data: [\r\n                [161.2, 51.6], [167.5, 59.0], [159.5, 49.2], [157.0, 63.0],\r\n                [155.8, 53.6], [170.0, 59.0], [159.1, 47.6], [166.0, 69.8],\r\n                [176.2, 66.8], [160.2, 75.2], [172.5, 55.2], [170.9, 54.2]\r\n            ]\r\n        }\r\n    ]\r\n};<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/#echarts:eNqdkLFOwzAQhnck3uEkhApScJ20sZMghoqVrQNDxeA0bmspiSvXRQ0o7845SWkSlYUbLP93v787n95bpUt4ge\/bG8DYGpUlZ+EilxubwMSn9xPvkjVqu7uSXuvSClW+iVTmCVhzlG2t7jynxUkdBnhb7SVyPkV+lH3SYS1y2SJgOoXF0eqnJgcCEVCoclqIE1gNG2UhE1aAdTPl1bBj9Z+OQ8RBGiWRsbp4e7geEgnWStOHNu+rItX5Un2hx2ejorKyWNrKdR5B233m2iDZbFPxEM098P0AjzjygBL2OO7kItUmk+a1e3gXzjlds7+N7yqzuwSCYb0e+d1+Bws4x8pnPsGRQp+wD89JTkKUMaGNxAvKeUyCVnJCPWAzV70GC0OCXwtnHYxTZ+\/DfITxcyvWwGISXYdx5iZDV9TaqZM87EbhQTPor6QkRjlHOWT1ZN1eMVM\/\/wC0cLJP\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit ECharts in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<p id=\"ICHOozF\"><img decoding=\"async\" width=\"1866\" height=\"1249\" class=\"alignnone size-full wp-image-1327 \" src=\"https:\/\/www.vpascode.com\/id\/wp-content\/uploads\/sites\/7\/2026\/07\/img_6a66bc8d8fe14.png\" alt=\"\" srcset=\"https:\/\/www.vpascode.com\/id\/wp-content\/uploads\/sites\/7\/2026\/07\/img_6a66bc8d8fe14.png 1866w, https:\/\/www.vpascode.com\/id\/wp-content\/uploads\/sites\/7\/2026\/07\/img_6a66bc8d8fe14-300x201.png 300w, https:\/\/www.vpascode.com\/id\/wp-content\/uploads\/sites\/7\/2026\/07\/img_6a66bc8d8fe14-1024x685.png 1024w, https:\/\/www.vpascode.com\/id\/wp-content\/uploads\/sites\/7\/2026\/07\/img_6a66bc8d8fe14-768x514.png 768w, https:\/\/www.vpascode.com\/id\/wp-content\/uploads\/sites\/7\/2026\/07\/img_6a66bc8d8fe14-1536x1028.png 1536w\" sizes=\"(max-width: 1866px) 100vw, 1866px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2>Strategic Best Practices<\/h2>\n<ul>\n<li><strong>Enable <code>scale: true<\/code> on Numeric Axes:<\/strong> Set <code>scale: true<\/code> on both numeric axes so the plot auto-zooms to the relevant data range rather than forcing the origin at <code>(0,0)<\/code>.<\/li>\n<li><strong>Use Fill Transparency for Overlaps:<\/strong> When plotting hundreds of points, reduce fill opacity to around 0.4\u20130.6 so dense overlap zones appear naturally darker.<\/li>\n<li><strong>Provide Contextual Axis Labels:<\/strong> Always label X and Y axes explicitly with measurement units (e.g., &#8220;$ in Thousands&#8221; or &#8220;Latency in ms&#8221;) so values are immediately clear without checking tooltips.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>When exploring relationships or correlations between two continuous variables, the Scatter Chart (or Scatter Plot) is the primary analytical tool. By plotting data points across a two-dimensional grid based on numeric X and Y coordinates, scatter charts help reveal clusters,&#8230;<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":1254,"menu_order":11,"template":"","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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