html, body {
    font-family: Arial;
    margin:0;
    color:black;
    font-size:9pt;
}

#app {
    display:grid;
    grid-template-columns:0.4fr 10px 1fr;
    box-sizing: border-box;
}
#left {
    display:grid;
    grid-template-columns: 1fr;
}
    .item_left {
        display:flex;
        height:20pt;
        width:100%;
        justify-content: center;
        align-items: center;
        margin-top:5px;
        border:1px solid black;
        cursor:pointer;
    }
#right {
    display:grid;
    grid-template-columns: 1;
}
    .item_right {
        display:flex;
        height:20pt;
        width:100%;
        justify-content: center;
        align-items: center;
        text-align: center;
        margin-top:5px;
        border:1px solid black;
        cursor:pointer;
        background-color: white;
    }