webtools/site/mental-arithmatic/style.css

.hidden {
    display: none !important;
}

body {
    --pico-form-element-disabled-opacity: 1.0;
}

.game-card {
    display: flex;
    flex-direction: column;
    min-height: 50vh;
}

.welcome-card .game-variant footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.welcome-card .game-variant .high-scores {
    display: flex;
    gap: 10px;
}

.countdown-timer {
    font-size: 3em;
    text-align: center;
    width: 100%;
}

input.fake {
    position: fixed;
    top: -600px;
}

.game-card header,
.game-card footer {
    display: flex;
    justify-content: space-between;

    font-size: 2em;
    margin-block: 12px;
    margin-inline: 20px;
}

.game-card main {
    flex-grow: 1;
    flex-shrink: 1;

    display: flex;
    align-items: center;

    padding-block-start: 40px;
}

.game-card .question {
    margin: auto;
    width: 60vw;

    text-align: right;
    font-size: 3em;
}

.game-card .answer {
    border-block: 2px solid black;
    padding-block: 2px;
    position: relative;
}

.game-card .answer.right {
    border-color: #4EB31B;
    color: #4EB31B;
}

.game-card .answer.wrong {
    border-color: #EE402E;
    color: #EE402E;
}

.game-card .answer .indicator {
    display: none;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
}

.game-card .answer.right .indicator.right {
    display: block;
}

.game-card .answer.wrong .indicator.wrong {
    display: block;
}

.game-card .question input {
    border-inline: none;
    border-radius: 0;
    box-shadow: none;

    border: none;

    margin: 0;
    padding: 0;

    text-align: right;
    font-size: 1em;
    height: 1em;
}

.game-card .question input:focus {
    border-none: none;
}

.game-card .answer.right input {
    color: green;
}

.game-card .answer.wrong input {
    color: red;
}