body {
    margin: 0;
    padding: 0;
}

header > h1 {
    margin: 0;
    background-color: #99cc00;
}

.container {
    margin: 1em;
    padding: 0;
    text-align: center;
}

#query_area {
    resize: none;
    width: 90vw;
    height: 30vh;
    border: solid 1px #ccc;
}

button#send {
    border: none;
    border-radius: 3px;
    font-size: 1.5rem;
    background-color: lightblue;
}