.time-display {
    margin-bottom: 40px;
    padding: 25px;
    border: 3px solid #000;
    background-color: #fff;
    text-align: center;
}

.time-display h2 {
    font-size: 28px;
    margin-bottom: 15px;
    font-weight: bold;
}

.time-display .time {
    font-size: 48px;
    font-weight: bold;
    font-family: monospace;
    letter-spacing: 2px;
    margin: 10px 0;
}

.time-display .info-row {
    font-size: 20px;
    color: #333;
    margin: 8px 0;
    line-height: 1.5;
}

.time-display .info-label {
    font-weight: bold;
    display: inline-block;
    min-width: 100px;
}

.time-display .update-info {
    font-size: 18px;
    color: #666;
    margin-top: 15px;
}

.storage-test {
    margin-bottom: 40px;
    padding: 25px;
    border: 3px solid #000;
    background-color: #fff;
}

.storage-test h2 {
    font-size: 30px;
    margin-bottom: 20px;
    font-weight: bold;
}

.storage-test .test-value {
    font-size: 20px;
    color: #333;
    font-family: monospace;
    word-wrap: break-word;
    margin: 5px 0;
}

.ajax-test {
    margin-bottom: 40px;
    padding: 25px;
    border: 3px solid #000;
    background-color: #fff;
}

.ajax-test h2 {
    font-size: 30px;
    margin-bottom: 20px;
    font-weight: bold;
}

.ajax-test .test-value {
    font-size: 20px;
    color: #333;
    font-family: monospace;
    word-wrap: break-word;
    margin: 5px 0;
}

.device-test {
    margin-bottom: 40px;
    padding: 25px;
    border: 3px solid #000;
    background-color: #fff;
}

.device-test h2 {
    font-size: 30px;
    margin-bottom: 20px;
    font-weight: bold;
}

.device-test .test-value {
    font-size: 18px;
    color: #333;
    font-family: monospace;
    word-wrap: break-word;
    margin: 5px 0;
    line-height: 1.4;
}

.css-test {
    margin-bottom: 40px;
    padding: 25px;
    border: 3px solid #000;
    background-color: #fff;
}

.css-test h2 {
    font-size: 30px;
    margin-bottom: 20px;
    font-weight: bold;
}

.css-test .test-result {
    font-size: 18px;
    margin: 10px 0;
}

.test-rotate {
    width: 100px;
    height: 40px;
    background-color: #000;
    color: #fff;
    text-align: center;
    line-height: 40px;
    margin: 10px 0;
    transform: rotate(45deg);
}

.test-scale {
    width: 100px;
    height: 40px;
    background-color: #000;
    color: #fff;
    text-align: center;
    line-height: 40px;
    margin: 10px 0;
    transform: scale(1.5);
}

.test-translate {
    width: 100px;
    height: 40px;
    background-color: #000;
    color: #fff;
    text-align: center;
    line-height: 40px;
    margin: 10px 0;
    transform: translate(50px, 0);
}

.test-flex-container {
    display: flex;
    border: 2px solid #000;
    padding: 10px;
    margin: 10px 0;
}

.test-flex-item {
    flex: 1;
    background-color: #000;
    color: #fff;
    padding: 10px;
    margin: 5px;
    text-align: center;
}

.test-position-container {
    position: relative;
    height: 100px;
    border: 2px solid #000;
    margin: 10px 0;
}

.test-position-absolute {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: #000;
    color: #fff;
    padding: 5px 10px;
}

.test-position-fixed {
    position: fixed;
    bottom: 100px;
    left: 20px;
    background-color: #000;
    color: #fff;
    padding: 5px 10px;
    font-size: 14px;
}

.test-border-radius {
    width: 80px;
    height: 80px;
    background-color: #000;
    border-radius: 40px;
    margin: 10px 0;
}

.test-box-shadow {
    width: 100px;
    height: 40px;
    background-color: #fff;
    border: 1px solid #000;
    box-shadow: 5px 5px 10px rgba(0,0,0,0.5);
    margin: 10px 0;
}

.test-opacity {
    width: 100px;
    height: 40px;
    background-color: #000;
    opacity: 0.5;
    margin: 10px 0;
}

.test-svg-container {
    margin: 10px 0;
}

.test-svg {
    width: 120px;
    height: 60px;
    border: 1px solid #000;
}

.test-animation-box {
    width: 80px;
    height: 40px;
    background-color: #000;
    color: #fff;
    text-align: center;
    line-height: 40px;
    margin: 10px 0;
    -webkit-animation: pulse 2s infinite;
    animation: pulse 2s infinite;
}

.test-transition-box {
    width: 80px;
    height: 40px;
    background-color: #000;
    color: #fff;
    text-align: center;
    line-height: 40px;
    margin: 10px 0;
    -webkit-transition: width 0.6s ease, background-color 0.6s ease;
    transition: width 0.6s ease, background-color 0.6s ease;
}

.test-transition-box.active {
    width: 120px;
    background-color: #666;
}

@-webkit-keyframes pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

@keyframes pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}