@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');

:root {
    --purple: #6943FF;
    --light-purple: #CCC1FF;
    --white: #FFFFFF;
    --black: #1F2937;
    --grey: #273549;
}

body {
    margin: 0;
    padding: 0;
    font-family: Inter, sans-serif;
    background-color: var(--black);
    color: var(--white);
}

a {
    color: var(--light-purple);
}

a:hover, a:focus {
    color: var(--white);
}

h2 {
    font-size: 25px;
    color: var(--light-purple);
}

header {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 285px;
    background-color: var(--purple);
}

h1 {
    margin-top: 5px;
    font-size: 28px;
    text-align: center;
}

input {
    display: block;
    margin-top: 10px;
    border: 2px solid var(--light-purple);
    border-radius: 5px;
    width: 117px;
    height: 83px;
    background-color: transparent;
    color: var(--white);
    font-size: 58px;
    text-align: center;
}

input::placeholder {
    color: var(--light-purple);
}

/* https://www.w3schools.com/howto/howto_css_hide_arrow_number.asp */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

button {
    display: block;
    margin-top: 25px;
    border: none;
    border-radius: 5px;
    width: 117px;
    height: 42px;
    background-color: var(--white);
    color: var(--purple);
    font-weight: bold;
    cursor: pointer;
}

button:hover, button:focus {
    background-color: var(--light-purple);
}

button:active {
    background-color: var(--black);
    color: var(--white);
}

section {
    box-sizing: border-box;
    margin: 36px auto 23px;
    border-radius: 5px;
    padding: 20px;
    max-width: 500px;
    background-color: var(--grey);
    text-align: center;
}

footer {
    margin-top: 36px;
    padding: 20px;
    background-color: var(--purple);
    text-align: center;
}