html,
body {
    height: 100%;
    padding: 0px;
    margin: 0px;
    overflow: hidden;
}

.container {
    height: 90%;
    display: flex;
}

.column {
    flex-grow: 1;
    background-color: lightgray;
    border: 1px gray solid;
    border-radius: 5px;
    margin: 10px;
}

#status-label {
    text-align: center;
    margin: 0;
}