* {
    box-sizing: border-box;
}

body {
    background-color: #222;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 1.2rem;
    line-height: 1.5;
    display: flex;
    min-height: 100vh;
    margin: 0 auto;
    padding: 5%;
    color: #fff;
}

textarea {
    background-color: #333;
    border: 1px solid #444;
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    padding: 1rem;
    resize: vertical;
    min-height: 75vh;
    color: #fff;
    flex-grow: 1;
}

.options {
    display: flex;
    flex-direction: column;
    margin-left: 2rem;
    max-width: 20rem;
}

select {
    background-color: #333;
    border: 1px solid #444;
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    padding: 0.5rem;
    color: #fff;
    margin-bottom: 1rem;
}

option {
    background-color: #333;
    color: #fff;
    padding: 0.5rem;
}

input {
    width: 100%;
}

button {
    background-color: #333;
    border: 1px solid #444;
    color: #fff;
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    padding: .5rem;
    cursor: pointer;
}

@media screen and (max-width: 1000px) {
    body {
        flex-direction: column;
        align-items: center;
    }

    textarea {
        width: 100%;
    }
}