body{
margin:0;
font-family:Arial,sans-serif;
background:#f3f3f3;
}

.topbar{
background:white;
padding:15px 20px;
text-align:center;
border-bottom:1px solid #ddd;
position:relative;
}

.topbar h1{
margin:0;
font-size:42px;
}
.home-btn{
    position:absolute;
    left:20px;
    top:50%;
    transform:translateY(-50%);
    text-decoration:none;
    color:#e5322d;
    font-size:18px;
    font-weight:bold;
}

.home-btn:hover{
    text-decoration:underline;
}