style have to place in bottom of component

```nim
let style = styleTmpl(Css, """
  .hoge {
    color: red;
  }
""")

tmpli html"""
$(style)
<p class="$(style.element("hoge"))">hello</p>
"""
```

↓

```nim
let style = styleTmpl(Css, """
  .hoge {
    color: red;
  }
""")

tmpli html"""
<p class="$(style.element("hoge"))">hello</p>
$(style)
"""
```