header {
    background-image: url('http://150.145.56.132/static/img/logos/dataspace_icon.svg');
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    min-height: 200px;
}
main {
    width: 75%;
    margin: 0 auto;
}
ul {
    list-style: none;
}
ul li {
    padding: 5px;
}

.mt-2 {
    margin-top: 2rem !important;
}