.tabcontent {
    display: none;
    position: absolute;
    background-color: white;
    font-size: 16pt;
}

button {
    position: absolute;
    border: none;
    cursor: pointer;
    font-weight: bold;
    font-size: 24pt;
    background-color: transparent;
    width: 316px;
    height: 316px;
}