Bug Report

Steps to Reproduce:

Like #1149, but fixing the less problem by adding this rule and installing less-loader:

{
        test: /\.less$/,
        loaders: ["style-loader", "css-loader", "less-loader"],
},

Expected Result:

It should look like this (but in white theme):

Actual Result:

It actually looks like this:

Note how the three dots overlap the column. This does not look nice.

Otherwise, a great library! Thanks for offering it for free!