.wi_masterheader {
    width: 100%;
    height: 105px; /* Keep whatever height you settled on here */
    margin: 0px;
    background-image: url('caf-logo.png');
    background-position: 15px center !important; /* 15px pushes it right, 'center' aligns it vertically */
    background-repeat: no-repeat !important;
    background-size: contain !important;
    margin-top: 5px;
    margin-bottom: 20px; 
}