How to center header

Hello guys, i upload my own logo and need center in header, this is code, but i dont know what i need change to make it in center

<div id="header">
	<div id="head-content" class="clearfix ">
 	<!-- Logo -->
			<div id="logo">
				<?php if($bresponZive_tpcrn_data['custom_logo'] !='') {
				if($bresponZive_tpcrn_data['custom_logo']) {  $logo = $bresponZive_tpcrn_data['custom_logo'];
				} else { $logo = get_template_directory_uri() . '/images/logo.png';
				} ?>  <a href="<?php echo esc_url( home_url( '/' ) );  ?>" title="<?php bloginfo( 'name' ); ?>" rel="home"><img src="<?php echo esc_url($logo); ?>" alt="<?php bloginfo( 'name' ) ?>" /></a>
				<?php } else { ?>
				<?php if (is_home()) { ?>
				<h1><a href="<?php echo esc_url( home_url( '/' ) );  ?>" title="<?php bloginfo( 'name' ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a></h1> <span><?php bloginfo( 'description' ); ?></span>
				<?php } else { ?>
				<h2><a href="<?php echo esc_url( home_url( '/' ) );  ?>" title="<?php bloginfo( 'name' ); ?>" rel="home"><?php bloginfo( 'name' ); ?></a></h2>
				<?php } } ?>
			</div>
			<!-- /#Logo -->
 	</div>