body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: brown;
    color: white;
}
#heading {
    height: 100px;
}
.header_content {
    display: inline-flex;
    margin-left:25px;
    margin-right:25px;
}
.header_icon {
    width: 75px;
}