qdouze-wordpress-theme/scss/_overrides.scss

header h1 {
	padding:2.33333em;
	line-height:1em;
	font-size:1em;
  margin:auto;
  text-align:center;
  img {
    max-width: 100%;
    height: auto;
  }
}

header {
  background: #EEE url('../img/background.png');
  margin-bottom:30px;
}