1 files changed, 50 insertions, 6 deletions
diff --git a/web_src/less/_markdown.less b/web_src/less/_markdown.less
index 4c8ed77cb8..f931106d95 100644
--- a/web_src/less/_markdown.less
+++ b/web_src/less/_markdown.less
@@ -162,9 +162,57 @@
     list-style-type: none;
   }
 
-  li.task-list-item {
+  .task-list-item {
     list-style-type: none;
-    margin-left: calc(-2em + 2px);
+
+    input[type="checkbox"] {
+      margin: 0 6px .25em -1.6em;
+    }
+  }
+
+  .task-list-item + .task-list-item {
+    margin-top: 3px;
+  }
+
+  input[type="checkbox"] {
+    -webkit-appearance: none;
+    -moz-appearance: none;
+    appearance: none;
+    position: relative;
+    border: 1px solid var(--color-secondary);
+    border-radius: 2px;
+    background: var(--color-input-background);
+    height: 14px;
+    width: 14px;
+    opacity: 1 !important; // override fomantic on edit preview
+    pointer-events: auto !important; // override fomantic on edit preview
+    vertical-align: middle !important; // override fomantic on edit preview
+  }
+
+  input[type="checkbox"]:not([disabled]):hover,
+  input[type="checkbox"]:not([disabled]):active {
+    border-color: var(--color-primary);
+  }
+
+  input[type="checkbox"]::after {
+    position: absolute;
+    left: 0;
+    top: 0;
+    bottom: 0;
+    right: 0;
+    pointer-events: none;
+    background: var(--color-text);
+    mask-size: cover;
+  }
+
+  input[type="checkbox"]:checked::after {
+    content: "";
+    mask-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="-1 -1 18 18" width="16" height="16"><path fill-rule="evenodd" d="M13.78 4.22a.75.75 0 010 1.06l-7.25 7.25a.75.75 0 01-1.06 0L2.22 9.28a.75.75 0 011.06-1.06L6 10.94l6.72-6.72a.75.75 0 011.06 0z"></path></svg>');
+  }
+
+  input[type="checkbox"]:indeterminate::after {
+    content: "";
+    mask-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16"><path fill-rule="evenodd" d="M2 7.75A.75.75 0 012.75 7h10a.75.75 0 010 1.5h-10A.75.75 0 012 7.75z"></path></svg>');
   }
 
   ul ul,
@@ -422,10 +470,6 @@
     box-shadow: inset 0 -1px 0 var(--color-secondary);
   }
 
-  input[type="checkbox"] {
-    vertical-align: middle !important;
-  }
-
   .csv-data td,
   .csv-data th {
     padding: 5px;