.alarm-container #clock {
    font-family: 'Courier New', Courier, monospace;
    letter-spacing: .05em;
    background-color: #333;
    color: #0f0;
    padding: 20px;
    border-radius: 10px;
    border: 3px solid #444;
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.5);
    display: inline-block;
}

.alarm-container .form-label {
    font-weight: bold;
}

.alarm-container .form-select-lg {
    font-size: 1.5rem;
    text-align: center;
}

.alarm-container .btn-lg {
    padding: 10px 20px;
    font-size: 1.25rem;
    font-weight: bold;
}

#time-remaining {
    color: #dc3545;
    font-weight: bold;
}