* {
    margin: auto;
    padding: auto;
    box-sizing: border-box;
}
body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 16px;

    display: flex;
    flex-direction: column;
    place-items: center;

    width: 100%;
    height: 100%;
    min-height: 100vh;
}
/*
    Main
*/
main {
    word-break: break-all;
    max-width: 700px;
    display: flex;
    flex-direction: column;
    place-items: center;

    border-radius: 7px;
    min-height: 200px;
    padding: 16px;
    background-color: #f5f5f5;
}
main .result {
    border-radius: 7px;
    min-height: 36px;
    width: 100%;
    background-color: #fff;
    padding: 8px;
}
main h1 {
    margin: 10px;
}
main input {
    margin: 10px;
    outline: none;
    cursor: pointer;
    border-radius: 7px;
    font-size: 20px;
    border: 0px;
    background-color: #fff;
    width: 100%;
    padding: 8px;
}