Layout width on the left column

Hi you have to add this custom code into your theme customisation section
custom code for the header section: <style>
#sidebar {
    width: 210px;
}
</style>
Adjust width to your wish the question was already answered a long time back read following source for further solutions:

<iframe width=”560″ height=”520″ src=”//www.designwall.com/question/can-i-change-the-site-logo-sizewallpress-i-figured-out-how-change-the-header-size-but-the-logo-is-still-cutted/?dwqa-embed=true” frameborder=”0″></iframe>

Thanks