header{
    width:10rem;
    left:0;
    top:0;

}

header{
    position: fixed;
    z-index: 100;

}



.header-con-move,.header-con {
    background: #1b1b1b;
}

h2{
    font-size:18px;
    color:#fff;
}
h1{
    font-size:32px;
    color:#fff;
}