How to put the widgets side by side in the header?

Found it:

#subscribe-submit {
	display: block;
}

#subscribe-text {
	display: block;
	width: 45% !important;
}

#subscribe-email input {
	display: block;
	width: 45% !important;
}

#sidebar-header {
	padding:0px;
	margin-top:0px;
	min-height: 200px;
    overflow: auto;
}