body{
    background-color: #1e1f22;
    color: #fff;
}
.topbar{
    background-color: #2b2d31;
    border-bottom: 1px solid #1a1b1e;
    height: 40px;
}
.topbar img{
    width: 40px;
    height: 40px;
}
.topbar h1{
    font-size: 30px;
}
.t-b {
    font-weight: 600;
}