footer .container {
    text-align: center;
}


section.content-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

header h1 {
    font-size: 18px;
    color: #5656d5;
    margin-top: 1ex;
    padding-left: 2ex;
    font-weight: normal;
}