body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    background-color: #111;
    color: #bbb;
}

* {
    box-sizing: border-box;
}

#eingabe {
    position: relative;
    top: 0;
    text-align: center;
    left: 50%;
    transform: translateX(-50%);
}

input {
    border: solid 2px #aaa;
    padding: 0.5em;
    margin: 0.5rem;
    width: 5rem;
    text-align: center;
    background-color: transparent;
    color: #bbb;
}

input:focus {
    outline: none;
    border-color: rgb(255, 50, 50);
}

#anzahl {
    margin-right: 10%;
}

#n {
    margin-right: 10%;
}

#updateButton {
    border: solid 2px #aaa;
    padding: 0.5em 2em;
    margin: 0.5rem;
    text-align: center;
    background-color: transparent;
    color: #bbb;
    cursor: pointer;
}

#updateButton:hover {
    border-color: rgb(255, 50, 50);
}

#ergebnis {
    position: relative;
    bottom: 0;
    width: 80%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    margin: 1rem;
}