body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #fff8e7;
}

.header {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 15px;
    background: rgba(255, 218, 76, 0.73);
    position: fixed;
    top: 0;
    width: 100%;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    justify-content: space-around;
}

.main {
    margin-top: 100px;
    text-align: center;
    display: flex;
    justify-content: center;
}

.problemsContainer {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.problemContainer {
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    padding: 20px;
    margin: 20px;
    width: 90%;
    max-width: 500px;
}

.problemQuestion {
    font-size: 18px;
    font-weight: bold;
}

.problemAnswer {
    padding: 8px;
    width: 120px;
    text-align: center;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.checkAnswer {
    padding: 8px 15px;
    background: #28a745;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.feedback {
    font-weight: bold;
}

.finalScore {
    text-align: center;
    font-size: 20px;
    font-weight: bold;
    margin-top: 30px;
}

.startOverButton {
    padding: 8px 15px;
    background: #f56c42;
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 16px;
    margin-top: 20px;
}

.randomProblemButton {
    font-weight: 500;
    font-size: 20px;
    text-decoration: none;
    color: white;
    background: rgba(110, 185, 223, 0.73);
    padding: 8px 15px;
    border-radius: 10px;
   
}