iframe removing scroll bars

<iframe frameborder="0" style="height: 1185px; overflow:scroll; width: 100%" src="site url" marginheight="1" marginwidth="1" name="cboxmain" id="cboxmain" seamless="seamless" scrolling="no" frameborder="0" allowtransparency="true"></iframe>

or

<style>
.foo {
  width: 1800px;
  height: 900px;
  overflow-y: hidden;
}
</style>
<iframe src="https://siddiq-sharepoint.blogspot.com/"
        class="foo"
        scrolling="no"
        seamless="seamless">
</iframe>