Predefinição:TestesWiki/styles.css

.mw-body-header{
height:250px;
background: url(https://playtest.institutodaguerra.com/images/2/2f/Banner_-_Origens.png);
background-repeat: no-repeat;
background-size: cover;
align-items: flex-end;
}

.mw-body-header .page-heading, 
.mw-body-header .page-actions{
    background: none repeat scroll 0% 0% rgba(0,0,0,0.3);
}