@media only screen and (max-width: 980px) {
    main > div {
      flex-direction: column !important;
    }
}

@media only screen and (max-width: 580px) {
    main > div > input {
        width: 360px !important;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, Fira, Sans, "Droid Sans", "Helvetica Neue", sans-serif;
}

h1 {
    text-align: center;
}

main {
    display: flex;
    flex-direction: column;
    max-width: 930px;
    margin: auto;
}

main > div {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 26px;
}

main > div > input {
    width: 550px;
    font-size: 24px;
}