diff --git a/build.html b/build.html
index ab82511..b2c7b6d 100644
--- a/build.html
+++ b/build.html
@@ -3,11 +3,178 @@
 
 <head>
 <title>Telegram Bot API server build instructions</title>
-<style>
-.hide { display: none; }
-div.main { max-width:1200px; margin: auto; font-size: x-large; }
-select.large { font-size: large; }
-</style>
+  <style>
+    :root {
+      --background: #fafafa;
+      --color: black;
+      --color-primary: #0088ff;
+      --color-code-block: #ebf9ff;
+      --color-select-border: rgb(211, 211, 211);
+      --color-checkbox-background: rgb(211, 211, 211);
+      --color-checkbox-tick: #ffffff;
+      --color-copy-success-background: #c1ffc6;
+      --color-copy-success-border: rgb(0, 255, 0);
+      --color-copy-fail-background: #ffcbcb;
+      --color-copy-fail-border: rgb(255, 0, 0);
+
+      color: var(--color);
+      background: var(--background);
+    }
+    @media (prefers-color-scheme: dark) {
+      :root {
+        --background: #0e0e0e;
+        --color: rgb(190, 190, 190);
+        --color-primary: #0088ff;
+        --color-code-block: #101315;
+        --color-select-border: rgb(54, 54, 54);
+        --color-checkbox-background: rgb(51, 51, 51);
+        --color-checkbox-tick: #ffffff;
+        --color-copy-success-background: #001f00;
+        --color-copy-success-border: rgb(0, 255, 0);
+        --color-copy-fail-background: #1f0000;
+        --color-copy-fail-border: rgb(255, 0, 0);
+      }
+    }
+    body {
+      font-family: 'Segoe UI', Arial, Helvetica, sans-serif;
+    }
+    .hide {
+      display: none;
+    }
+    div.main {
+      max-width: 1250px;
+      padding: 25px;
+      margin: auto;
+      font-size: 16px;
+    }
+
+    p {
+      margin: 0;
+    }
+    .main > div {
+      margin-bottom: 20px;
+    }
+
+    #buildCommands {
+      font-family: Consolas, monospace;
+      margin-left: 40px;
+      background: var(--color-code-block);
+      padding: 5px;
+      margin-bottom: 0;
+      display: block;
+    }
+    #buildCommands ul {
+      list-style: '$ ';
+    }
+
+    a {
+      color: var(--color-primary);
+      text-decoration-color: transparent;
+      transition: text-decoration-color 200ms;
+    }
+    a:hover {
+      text-decoration: underline;
+    }
+    select, button {
+      border: 1px solid var(--color-select-border);
+      background-color: var(--background);
+      color: var(--color);
+      padding: 5px;
+      margin-top: 5px;
+      transition: border 200ms, padding 200ms;
+      border-radius: 999em;
+      font-size: 16px;
+      cursor: pointer;
+    }
+
+    select:focus, button:focus {
+      outline: none;
+      border-color: var(--color-primary);
+      border-width: 2px;
+      padding: 4px;
+    }
+
+    label * {
+      vertical-align: middle;
+    }
+
+    input[type=checkbox] {
+      margin-right: 5px;
+      appearance: none;
+      -webkit-appearance: none;
+      -moz-appearance: none;
+      background-color: var(--color-checkbox-background);
+      height: 20px;
+      width: 20px;
+      border-radius: 3px;
+      position: relative;
+      transition: background-color 200ms;
+    }
+    input[type=checkbox]::after {
+      content: "";
+      transition: border-color 200ms;
+      position: absolute;
+      left: 6px;
+      top: 2px;
+      width: 5px;
+      height: 10px;
+      border: solid transparent;
+      border-width: 0 3px 3px 0;
+      -webkit-transform: rotate(45deg);
+      -ms-transform: rotate(45deg);
+      transform: rotate(45deg);
+    }
+    input[type=checkbox]:checked {
+      background-color: var(--color-primary);
+    }
+    input[type=checkbox]:checked::after {
+      border-color: var(--color-checkbox-tick);
+    }
+
+    input[type=radio] {
+      margin-right: 5px;
+      appearance: none;
+      -webkit-appearance: none;
+      -moz-appearance: none;
+      background-color: var(--color-checkbox-background);
+      height: 20px;
+      width: 20px;
+      border-radius: 100%;
+      position: relative;
+      transition: background-color 200ms;
+    }
+    input[type=radio]::after {
+      content: "";
+      transition: border-color 200ms;
+      position: absolute;
+      left: 10px;
+      top: 10px;
+      width: 0;
+      height: 0;
+      border-radius: 100%;
+      background-color: transparent;
+      transition: width 200ms, height 200ms, left 200ms, top 200ms, background-color 100ms;
+    }
+    input[type=radio]:checked::after {
+      background-color: var(--color-primary);
+      left: 2px;
+      top: 2px;
+      width: 16px;
+      height: 16px;
+    }
+
+    #copyBuildCommandsButton {
+      margin-left: 40px;
+    }
+    #copyBuildCommandsButton.success {
+      background: var(--color-copy-success-background);
+      border-color: var(--color-copy-success-border);
+    }
+    #copyBuildCommandsButton.fail {
+      background: var(--color-copy-fail-background);
+      border-color: var(--color-copy-fail-border);
+    }
+  </style>
 </head>
 
 <body onload="onLoad(true)" onpopstate="onLoad(false)">
