body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
    overflow: auto;
}

.container {
    text-align: center;
    padding-top: 20px;
}

.buttons {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    margin-top: 20px;
}

button {
    width: 110px;
    height: 110px;
    background-color: red;
    border: none;
    border-radius: 50%;
    box-shadow: 0 4px #999, 0 0 0 10px #fff inset;
    cursor: pointer;
    position: relative;
    transition: transform 0.1s, box-shadow 0.1s;
    font-size: 14px;
    color: black; /* Schriftfarbe auf Schwarz setzen */
}

button::before {
    content: '';
    position: absolute;
    top: 15%;
    left: 15%;
    width: 70%;
    height: 70%;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

button:active {
    transform: translateY(4px);
    box-shadow: 0 2px #666, 0 0 0 10px #fff inset;
}

@media (max-width: 1200px) {
    .buttons {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 900px) {
    .buttons {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 600px) {
    .buttons {
        grid-template-columns: repeat(2, 1fr);
    }

    button {
        width: 130px;
        height: 130px;
        font-size: 16px;
    }
}

@media (max-width: 400px) {
    .buttons {
        grid-template-columns: 1fr;
    }

    button {
        width: 150px;
        height: 150px;
        font-size: 18px;
    }
}