.captcha_container {
    margin-bottom: 20px;
}

.captcha_box {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.captcha_question {
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    background: -o-linear-gradient(315deg, #667eea 0%, #764ba2 100%);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px;
    border-radius: 8px;
    font-size: 20px;
    font-weight: bold;
    text-align: center;
    letter-spacing: 2px;
    -webkit-box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.captcha_refresh {
    width: 50px;
    background: #f0f0f0;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 18px;
    color: #666;
    -webkit-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.captcha_refresh:hover {
    background: #4CAF50;
    color: white;
    -webkit-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    transform: rotate(180deg);
}