*{
    margon:0px;
    padding:0px;
    box-sizing:border-box;
}
body{
    margin-left:110px;
    background-color:black;
    color:white;
}
h1{
    font-size:45px;
}
h1 span{
    color:brown;
    display:inline-flex;
}

span::after {
    content:'';
    display:inline-block;
    width:3px;
    margin-left: 6px;
    background-color: brown;
}