body {
    font-family: 'Roboto', sans-serif;
    background-color: #121212;
    color: white;
    width: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
    margin-top: 40px;
    /* background-color: #121212; */
}

.question {
    color: white;
    margin: 10px;
    height: 180px;
    font-size: 18px;
    text-align: center;
}


h1, h2 {
    text-align: center;
    color: white;
    font-size: 20px;
    margin-bottom: 10px;
}

h5, h6 {
    text-align: center;
    color: white;
    font-size: 10px;
    margin-bottom: 4px;
}

.std-btn {
    width: 160px;
    height: 90px;
    margin: 8px;
    margin-top: 13px;
    padding: 0px;
    /* border: none; */
    border-radius: 8px;
    border-color: #00ceff;
    /* background-color: #3d3d3d; */
    background-color: #101616;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.9);
    color: #00ceff;
    font-size: 16px;
    cursor: pointer;
    font-weight: bold;
    text-transform: uppercase;
}

.std-btn:disabled {
    background-color: #242424;
}

.true-btn {
    background-color: #148d32;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.9);
    color: white;
    border: none;
}

.false-btn {
    background-color: #9c0f0f;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.9);
    color: white;
    border: none;
}

.btn-true:hover {
    background-color: #15b300;
}
.btn-false:hover {
    background-color: #d60606;
}

.hidden2 {
    /* display: none; */
}

#score-container {
    margin: 10px;
}

#score-tracker {
    color: white;
    font-size: 16px;
    margin-top: 40px;
    margin-bottom: 40px;
}

.pool-card {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 100px;
    height: 40px;
    border: #111111 solid;
    border-radius: 4px;
    border-width: 2px;
    padding: 0px;
    margin: 5px;
    cursor: pointer;
    background-color: #212121;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
    font-size: clamp(8px, 4vw, 11px);
    font-weight: bold;
    text-transform: uppercase;
}

.pool-card.selected {
    /* background-color: #00ceff; */
    /* background-color: #ccc; */
    border: #00ceff solid;
    border-width: 2px;
    color: #00ceff;
}

#start-quiz-btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

#duration-selection {
    text-align: center;
    margin-top: 20px;
}

#feedback {
    color: white;
    margin: auto;
    height: 200px;
    font-size: 18px;
    text-align: center;
}

.correct {
    color: rgb(24, 209, 24);
    font-weight: bold;
    font-size: 20px;
}

.incorrect {
    color: red;
    font-weight: bold;
    font-size: 20px;
}

.correct-mark {
    color: rgb(24, 209, 24);
    font-weight: normal;
    font-size: 18px;
}

.incorrect-mark {
    color: red;
    font-weight: normal;
    font-size: 18px;
}

#info-version {
    color: #ffffff;
    font-family: "Roboto Mono", monospace;
    font-optical-sizing: auto;
    font-weight: normal;
    font-size: 12px;
    text-align: center;
    opacity: 0.5;
}