body {
    margin: 0;
    font-family: sans-serif;
    background: rgba(0,0,255,0.2);
}


#anzahlRunden {
    padding: 1rem;
    font-size: 1rem;
    margin: 0.5rem 0;
    border: none;
    box-shadow: inset 2px 2px 10px #555, inset -2px -2px 10px #555;
    transition: 200ms;
}

#anzahlRunden:focus {
    outline: none;
    box-shadow: inset 2px 2px 5px #555, inset -2px -2px 5px #555;
}


#tester {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: grid;
}

#startButton {
    margin: 3rem;
    padding: 1rem;
    background: #000;
    color: #fff;
    border: none;
    border-radius: 0.5rem;
    font-size: 1.2rem;
    cursor: pointer;
}

#reactionButton {
    background-color: #e31b1b;
    border: solid 10px #a90000;
    width: 20rem;
    height: 20rem;
    cursor: pointer;
    border-radius: 3rem;
    font-size: 3rem;
}

@keyframes clickAni {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}