<style>
.responsive {
  width: 100%;
  height: auto;
} 

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 75%;
}
</style>
<img class="responsive center" src="https://qnetconfluence.cms.gov/download/attachments/146770375/Masthead_NewBranding.png?api=v2">