.meineButtons {
        width: 500px;
        height: 150px;
        font-size: 30px;
        color: white;
        background-color: #81BEF7;
    }
    td {
        text-align: center;
    }
    
    .time {
        width: 100%;
        border-bottom: 1px solid black;
        background-color: lightgrey;
        position: absolute;
        margin-top: -8px;
        margin-left: -8px;
        padding: 5px;
        text-align: center;
    }