This Monday icon is a responsive icon. This means that it's optimized for four resolutions, from tiny 16x16 until highly detailed 80x80. The style comes from the latest Microsoft Office, which makes it perfect for any Windows applications, in particular, those with ribbon toolbar control. Unlike other icon packs that have merely hundreds of icons, this monster icon pack contains 15,500 icons, all in the same style and quality.
A square with the Capital letter M lower case O inside of it. On top of the square is a smashed rectangle that has 2 vertical tiny rectangle coming out of the top. Similar to what a desk flip calendar would be