u {
    text-decoration: underline;
}

h1 {
    text-align: center;
}

@media screen and (min-width: 820px) {
    body {
        background: #212529;
    }
}

.tva-container.container {
    background: #fff;
    padding-top: 1rem;
    padding-bottom: 5rem;
    max-width: 800px;
    min-height: 100vh;
}

.wappen {
    width: 40vw;
    max-width: 200px;
}

.btn {
    font-size: 1.5rem;
    font-weight: bold;
}

.form-group {
    margin-bottom: 2rem;
}

.form-inline-number {
    margin-left: 6px;
    margin-right: 6px;
}

.form-inline .form-control {
    display: inline-block;
    width: auto;
    vertical-align: middle;
}

fieldset {
    padding-left: 2rem;
}

fieldset ~ fieldset {
    margin-top: -1rem;
}