.button-grid {
    position: absolute;
    display: flex;
    flex-direction: column;
}

.button-row {
    flex-grow: 1;
    display: flex;
}

.button {
    flex-grow: 1;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    /*border-style: solid;*/
    /*border-width: 1px;*/
    /*border-color: red;*/
}

.dummy {
    flex-grow: 1;
}
