:root {
    --dark: #151515;
    --light: #ffb0b0;
    --accent: #fbfbfb;
}

.container {
  display: grid;
  justify-content: flex-start;
  gap: 10px;
  grid-template-columns: auto auto;
  background-color: var(--dark);
  color: azure;
  padding: 10px;
}

.container div {
    background-color:#743434;
    border: 2 solid var(--light);
    padding: 10px;
    font-size: 15px;
    text-align: center;
    cursor: pointer;
    transition: transform 0.5s ease;
}

/* thx andreas-wong on stackoverflow! */

a { color:rgb(146, 244, 255) } /* Globally */

/* Each state */

a:visited { text-decoration: none; color:rgb(255, 127, 127); }
a:hover { text-decoration: none; color:rgb(120, 234, 254); }
a:focus { text-decoration: none; color:rgb(120, 234, 254); }
a:hover, a:active { text-decoration: none; color:rgb(255, 247, 247) }

img {
    border: 2px solid var(--light);
}

body {
    background-color: var(--light);
    color: var(--dark);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    max-width: 1000px;
    margin: 0 auto;
}

input {
    all: unset;
    margin: 0 10px;
    background-color: var(--dark);
    color: var(--light);
    max-width: 80px;
    padding: 10px;
    font-size: larger;
    font-weight: bold;
    border-radius: 45px;
}

button {
    all: unset;
    background-color: #743434;
    color: var(--dark);
    padding: 10px;
    font-size: larger;
    font-weight: bold;
    cursor: pointer;

    transition: filter .15s ease-in-out;
}

button:hover {
    filter: brightness(100%)
}

button:active {
    filter: brightness(90%)
}

.container div:hover {
    transform: scale(1.05);
}

#output {
    background-color: var(--accent);
    color: var(--dark);
    padding: 20px;
    font-size: large;
}