diff --git a/tree-explorer-sample/resources/dark/boolean.svg b/tree-explorer-sample/resources/dark/boolean.svg
new file mode 100644
index 00000000..d85957b5
--- /dev/null
+++ b/tree-explorer-sample/resources/dark/boolean.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><style>.icon-canvas-transparent{opacity:0;fill:#2d2d30}.icon-vs-out{fill:#2d2d30}.icon-vs-bg{fill:#c5c5c5}.icon-vs-fg{fill:#2b282e}</style><path class="icon-canvas-transparent" d="M16 16H0V0h16v16z" id="canvas"/><path class="icon-vs-out" d="M16 14H0V2h16v12z" id="outline" style="display: none;"/><path class="icon-vs-bg" d="M1 3v10h14V3H1zm13 9H8V8.507l3.998.006-2.121 2.129.707.707 3.35-3.35-3.35-3.338-.707.706 2.138 2.146L8 7.507V4h6v8z" id="iconBg"/><path class="icon-vs-fg" d="M14 4v8H8V8.507l3.998.006-2.121 2.129.707.707 3.35-3.35-3.35-3.338-.707.706 2.138 2.146L8 7.507V4h6zM6.057 5.367L5.35 4.66 2 8.01l3.35 3.338.707-.707-2.139-2.146L8 8.501v-1l-4.064-.005 2.121-2.129z" id="iconFg" style="display: none;"/></svg>
\ No newline at end of file
diff --git a/tree-explorer-sample/resources/dark/number.svg b/tree-explorer-sample/resources/dark/number.svg
new file mode 100644
index 00000000..421c491a
--- /dev/null
+++ b/tree-explorer-sample/resources/dark/number.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><style>.st0{opacity:0}.st0,.st1{fill:#2d2d30}.st2{fill:#2b282e}.st3{fill:#c5c5c5}</style><g id="outline"><path class="st0" d="M0 0h16v16H0z"/><path class="st1" d="M0 1h16v13H0z"/></g><path class="st2" d="M2 3v9h12V3H2zm3.141 7H4.063l.005-3.999-.973.21H3v-.875l2.141-.432V10zm4.162-.916V10H6v-.86l1.438-1.375c.152-.145.279-.276.382-.393.102-.116.185-.225.246-.325a1.043 1.043 0 0 0 .17-.574.797.797 0 0 0-.049-.281.597.597 0 0 0-.379-.361.995.995 0 0 0-.328-.051c-.119 0-.234.014-.347.04-.112.027-.22.064-.325.112a2.133 2.133 0 0 0-.297.165 2.78 2.78 0 0 0-.263.198v-.974a2.1 2.1 0 0 1 .268-.146 2.876 2.876 0 0 1 1.203-.27c.277 0 .518.037.723.11.203.074.371.175.504.303.134.129.231.28.296.453.064.174.096.36.096.558a1.752 1.752 0 0 1-.233.879 2.832 2.832 0 0 1-.322.453 4.693 4.693 0 0 1-.484.485l-1.032.917v.021h2.036zm3.777-.012a1.25 1.25 0 0 1-.346.483 1.616 1.616 0 0 1-.592.325c-.24.081-.527.12-.857.12-.121 0-.244-.006-.367-.02a3.547 3.547 0 0 1-.352-.052 2.795 2.795 0 0 1-.316-.081 1.686 1.686 0 0 1-.25-.1v-.961a1.884 1.884 0 0 0 .57.276 2.308 2.308 0 0 0 .606.09c.293 0 .516-.063.67-.188a.607.607 0 0 0 .232-.502.581.581 0 0 0-.311-.531 1.164 1.164 0 0 0-.35-.128 2.254 2.254 0 0 0-.441-.042h-.451v-.844h.416c.174 0 .32-.016.445-.049a.887.887 0 0 0 .305-.137.548.548 0 0 0 .237-.465.671.671 0 0 0-.043-.245.486.486 0 0 0-.137-.194.635.635 0 0 0-.236-.128 1.18 1.18 0 0 0-.342-.046c-.096 0-.189.01-.283.028-.092.02-.18.044-.262.073a2.072 2.072 0 0 0-.435.225v-.903a2.713 2.713 0 0 1 .486-.177 3.109 3.109 0 0 1 .746-.088c.293 0 .543.036.748.11.205.073.371.17.498.287.129.118.221.251.279.398.059.148.088.299.088.45 0 .143-.02.277-.055.407a1.108 1.108 0 0 1-.48.641c-.123.08-.273.142-.449.184v.018c.184.023.348.069.49.14a1.122 1.122 0 0 1 .65 1.033c0 .211-.037.41-.111.593z" id="icon_x5F_fg"/><g id="icon_x5F_bg"><path class="st3" d="M1 2v11h14V2H1zm13 10H2V3h12v9z"/><path class="st3" d="M8.299 8.146c.191-.168.353-.33.484-.485.133-.155.24-.307.322-.453a1.737 1.737 0 0 0 .137-1.437 1.204 1.204 0 0 0-.296-.453 1.393 1.393 0 0 0-.505-.302 2.151 2.151 0 0 0-.723-.11 2.958 2.958 0 0 0-1.202.269 2.232 2.232 0 0 0-.268.146v.974c.082-.07.17-.136.263-.198a1.99 1.99 0 0 1 .623-.277c.112-.026.227-.04.346-.04.123 0 .232.018.327.051a.645.645 0 0 1 .236.142.63.63 0 0 1 .145.219c.032.086.049.18.049.281a1.038 1.038 0 0 1-.171.574c-.061.1-.144.209-.246.325-.103.117-.23.248-.382.393L6 9.14V10h3.303v-.916H7.267v-.021l1.032-.917zM12.898 7.706a1.221 1.221 0 0 0-.357-.261 1.576 1.576 0 0 0-.49-.14v-.017c.176-.042.326-.104.449-.184.125-.081.229-.175.307-.283.08-.109.137-.228.174-.357.035-.13.055-.265.055-.407a1.21 1.21 0 0 0-.088-.45 1.078 1.078 0 0 0-.279-.398 1.438 1.438 0 0 0-.498-.287 2.219 2.219 0 0 0-.748-.11c-.143 0-.277.009-.402.024a2.58 2.58 0 0 0-.83.241v.903a1.978 1.978 0 0 1 .435-.225c.082-.029.17-.054.262-.073.094-.019.188-.028.283-.028.133 0 .246.017.342.046a.62.62 0 0 1 .236.128c.063.055.108.12.137.194a.671.671 0 0 1-.014.504.548.548 0 0 1-.18.206.906.906 0 0 1-.305.137 1.748 1.748 0 0 1-.445.049h-.416v.847h.451c.158 0 .307.015.441.042.135.028.252.071.35.128a.66.66 0 0 1 .229.219.579.579 0 0 1 .082.312c0 .21-.076.378-.232.502-.154.125-.377.188-.67.188-.094 0-.191-.007-.295-.022a2.472 2.472 0 0 1-.311-.068 1.884 1.884 0 0 1-.571-.28v.962c.07.035.154.068.25.1.098.031.203.059.316.081a3.817 3.817 0 0 0 .719.071c.33 0 .617-.039.857-.119.24-.078.438-.187.592-.325.156-.138.272-.299.346-.483.074-.184.111-.382.111-.595a1.122 1.122 0 0 0-.293-.772zM3 6.211h.095l.972-.21L4.063 10h1.078V4.904L3 5.336z"/></g></svg>
\ No newline at end of file
diff --git a/tree-explorer-sample/resources/dark/string.svg b/tree-explorer-sample/resources/dark/string.svg
new file mode 100644
index 00000000..e08a57f4
--- /dev/null
+++ b/tree-explorer-sample/resources/dark/string.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><style>.st0{opacity:0}.st0,.st1{fill:#2d2d30}.st2{fill:#2b282e}.st3{fill:#c5c5c5}</style><g id="outline"><path class="st0" d="M0 0h16v16H0z"/><path class="st1" d="M1 2h15v12H1z"/></g><g id="icon_x5F_fg"><path class="st2" d="M12.078 7.977a.645.645 0 0 0-.57-.32.678.678 0 0 0-.332.082.783.783 0 0 0-.256.232 1.162 1.162 0 0 0-.168.36 1.646 1.646 0 0 0-.061.465v.506c0 .137.02.264.057.381a.994.994 0 0 0 .154.307.746.746 0 0 0 .236.207.675.675 0 0 0 .651-.016.755.755 0 0 0 .264-.266c.074-.117.129-.266.168-.445.041-.18.061-.387.061-.622a2.12 2.12 0 0 0-.053-.494 1.239 1.239 0 0 0-.151-.377zM7.102 9.224a.541.541 0 0 0-.195.133c-.047.053-.08.111-.098.18s-.027.146-.027.232c0 .078.014.15.041.219a.489.489 0 0 0 .302.285.774.774 0 0 0 .579-.031.801.801 0 0 0 .256-.199.897.897 0 0 0 .165-.295c.038-.113.059-.234.059-.365v-.347l-.762.11c-.13.017-.237.044-.32.078z"/><path class="st2" d="M3 4v8h11V4H3zm5.961 6.907h-.785v-.529h-.013c-.12.203-.267.358-.439.463-.173.107-.374.16-.604.16-.181 0-.339-.027-.479-.084a.966.966 0 0 1-.567-.595A1.398 1.398 0 0 1 6 9.858c0-.164.021-.318.065-.461a1.09 1.09 0 0 1 .562-.661c.146-.074.321-.125.525-.152l1.03-.154c0-.275-.058-.475-.174-.6-.116-.123-.28-.185-.493-.185-.214 0-.423.039-.627.117a1.909 1.909 0 0 0-.544.313v-.768c.051-.035.121-.072.213-.113a3.196 3.196 0 0 1 .672-.195c.127-.021.249-.033.368-.033.234 0 .438.033.608.102.171.068.313.166.424.295.111.127.195.285.249.469.056.186.083.399.083.637v2.438zm3.947-1.201a2.18 2.18 0 0 1-.273.672 1.34 1.34 0 0 1-.443.443c-.176.107-.379.16-.609.16a.93.93 0 0 1-.291-.043.81.81 0 0 1-.238-.121.99.99 0 0 1-.191-.186 1.507 1.507 0 0 1-.152-.228h-.012v.484H10V5h.697v2.656h.012c.055-.105.115-.201.182-.289.066-.086.141-.16.225-.223a.99.99 0 0 1 .615-.198c.221 0 .412.05.572.153.16.102.291.24.395.416.104.176.178.379.229.612.048.233.073.477.073.735 0 .305-.031.584-.092.844z"/></g><g id="icon_x5F_bg"><path class="st3" d="M2 3v10h13V3H2zm12 9H3V4h11v8z"/><path class="st3" d="M8.629 7.361a1.084 1.084 0 0 0-.423-.295 1.646 1.646 0 0 0-.609-.101c-.119 0-.241.012-.368.033a3.196 3.196 0 0 0-.672.195 1.287 1.287 0 0 0-.213.114v.768c.158-.132.341-.235.544-.313.204-.078.413-.117.627-.117.213 0 .377.063.494.186.116.125.174.325.174.6l-1.03.154a1.645 1.645 0 0 0-.526.152 1.09 1.09 0 0 0-.562.66A1.562 1.562 0 0 0 6 9.858c0 .17.025.322.074.463a.945.945 0 0 0 .568.595c.14.057.298.084.479.084.229 0 .431-.053.604-.16a1.3 1.3 0 0 0 .439-.463h.014v.529h.785V8.469c0-.238-.027-.451-.083-.637a1.289 1.289 0 0 0-.251-.471zm-.446 2.021c0 .131-.021.252-.059.365a.897.897 0 0 1-.165.295.76.76 0 0 1-.593.271.682.682 0 0 1-.242-.041.528.528 0 0 1-.186-.113.48.48 0 0 1-.116-.172.583.583 0 0 1-.04-.218c0-.086.01-.164.027-.232s.051-.127.098-.18a.541.541 0 0 1 .195-.133c.083-.033.189-.061.32-.078l.761-.109v.345zM12.697 7.516a1.194 1.194 0 0 0-.394-.416 1.028 1.028 0 0 0-.572-.153 1.016 1.016 0 0 0-.615.198 1.187 1.187 0 0 0-.225.223 2.12 2.12 0 0 0-.182.289h-.012V5H10v5.888h.697v-.484h.012c.045.082.096.158.152.228.057.07.119.133.191.186a.81.81 0 0 0 .238.121.93.93 0 0 0 .291.043c.231 0 .434-.053.609-.16a1.33 1.33 0 0 0 .443-.443c.121-.188.211-.412.273-.672A3.58 3.58 0 0 0 13 8.862a3.54 3.54 0 0 0-.074-.734 2.044 2.044 0 0 0-.229-.612zm-.476 1.954c-.039.18-.094.328-.168.445a.747.747 0 0 1-.264.266.675.675 0 0 1-.651.016.736.736 0 0 1-.236-.207.983.983 0 0 1-.154-.307 1.257 1.257 0 0 1-.057-.381v-.507c0-.17.02-.326.061-.465.039-.139.096-.258.168-.36a.762.762 0 0 1 .256-.232.678.678 0 0 1 .332-.082.642.642 0 0 1 .57.32c.066.106.117.231.15.377.035.146.053.311.053.494 0 .236-.019.443-.06.623z"/></g></svg>
\ No newline at end of file
diff --git a/tree-explorer-sample/resources/light/boolean.svg b/tree-explorer-sample/resources/light/boolean.svg
index d9fd295d..b5b64b61 100644
--- a/tree-explorer-sample/resources/light/boolean.svg
+++ b/tree-explorer-sample/resources/light/boolean.svg
@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><style>.icon-canvas-transparent{opacity:0;fill:#f6f6f6}.icon-vs-out{fill:#f6f6f6}.icon-vs-bg{fill:#424242}.icon-vs-fg{fill:#f0eff1}</style><path class="icon-canvas-transparent" d="M16 16H0V0h16v16z" id="canvas"/><path class="icon-vs-out" d="M16 14H0V2h16v12z" id="outline"/><path class="icon-vs-bg" d="M1 3v10h14V3H1zm13 9H8V8.507l3.998.006-2.121 2.129.707.707 3.35-3.35-3.35-3.338-.707.706 2.138 2.146L8 7.507V4h6v8z" id="iconBg"/><path class="icon-vs-fg" d="M14 4v8H8V8.507l3.998.006-2.121 2.129.707.707 3.35-3.35-3.35-3.338-.707.706 2.138 2.146L8 7.507V4h6zM6.057 5.367L5.35 4.66 2 8.01l3.35 3.338.707-.707-2.139-2.146L8 8.501v-1l-4.064-.005 2.121-2.129z" id="iconFg"/></svg>
\ No newline at end of file
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><style>.icon-canvas-transparent{opacity:0;fill:#f6f6f6}.icon-vs-out{fill:#f6f6f6}.icon-vs-bg{fill:#424242}.icon-vs-fg{fill:#f0eff1}</style><path class="icon-canvas-transparent" d="M16 16H0V0h16v16z" id="canvas"/><path class="icon-vs-out" d="M16 14H0V2h16v12z" id="outline" style="display: none;"/><path class="icon-vs-bg" d="M1 3v10h14V3H1zm13 9H8V8.507l3.998.006-2.121 2.129.707.707 3.35-3.35-3.35-3.338-.707.706 2.138 2.146L8 7.507V4h6v8z" id="iconBg"/><path class="icon-vs-fg" d="M14 4v8H8V8.507l3.998.006-2.121 2.129.707.707 3.35-3.35-3.35-3.338-.707.706 2.138 2.146L8 7.507V4h6zM6.057 5.367L5.35 4.66 2 8.01l3.35 3.338.707-.707-2.139-2.146L8 8.501v-1l-4.064-.005 2.121-2.129z" id="iconFg" style="display: none;"/></svg>
\ No newline at end of file