I made these changes, but they’re not reflecting on my site.
/* – 3.0 Header */
.header-wrap {
width: 100%;
height: 420px;
background-color: #111;
background-repeat:no-repeat;
background-size:cover;
background-position: center center;
border-bottom-width: 1px;
border-bottom-style: solid;
position: relative;
}
.top {
height: 350px;
}