.app-container {
    width: 550px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);   
}

#quiz-box #header {
    display: flex;
    justify-content: space-between;
    align-items: center;

    position: relative;
}

.option-list {
    padding: 18px 10px;
}

.option-list .option{
    border: 1px solid #151D3B;
    border-radius: 5px;
    padding: 8px 15px;
    font-size: 16px;
    margin-bottom: 10px;
    cursor: pointer;

    display: flex;
    align-items: center;
    justify-content: space-between;
}

.option-list .option:hover{
    color: #112B2C;
    background: #FFD33D;
}

.option-list .option.correct {
    color: #155724;
    background: #d4edda;
} 

.option-list .option.incorrect {
    color: #721c24;
    background: #f8d7da;
} 

.option-list .option.disabled {
    pointer-events: none;
} 

.summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* score box */
#score-box {
    text-align: center;
    padding: 30px;
}

#score-box i {
    font-size: 90px;
    color: #007bff;
    margin-bottom: 10px;
}

#score-box .score-text {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 10px;
}

#button-box {
    text-align: center;
}

#button-box, #quiz-box, #score-box {
    display: none;
}

#button-box.active, #quiz-box.active, #score-box.active {
    display: block;
}

/* kalan süre */
.time {
    display: flex;
    align-items: center;
    background: #155724;
    color: #fff;
    padding: 5px;
    border-radius: 3px;
    font-size: 15px;
}

.time .time-text {
    font-size: 14px;
}
.time .time-second {
    background: #FFD33D;
    border-radius: 3px;
    padding: 3px;
    margin-left: 3px;
    width: 25px;
    text-align: center;
}

.btn-next {
    opacity: 0;

    transform: scale(0.8);
    transition: all 0.3s ease;
}

.btn-next.show {
   opacity: 1;
   transform: scale(1);
}

.time-line {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 4px;
    background: #F0A500;
}