Hosts your own styles, similar to the style tag. Must be nested within an m-head.
Example
<m-head><m-style>
.myclass{
padding: 10px;
width: 100%;
background: #cccccc;
}
</m-style></m-head><m-head><m-style>
.myclass{
padding: 10px;
width: 100%;
background: #cccccc;
}
</m-style></m-head>