.grid {
    display: grid;
    grid-template-columns: auto auto auto;
    min-height: 500px;
}

.grid_element {
    min-width: 90px;
    min-height: 90px;
    background-color: aqua;
    text-align: center;
    border: 1px solid;

}

#game_ui {
    display: none;
}

#pregame_ui {
    padding: 2%;
}

body {
    text-align: center;
    margin: auto;
    width: 50%;

}