/* Reset default margins and padding */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f0f0f0;
    flex-direction: column;
}

/* Center the "timer" div */
#timer {
    font-size: 3em;
    color: #333;
    text-align: center;
    margin-bottom: 20px;
}

#mode-text {
    text-align: center;
    margin-bottom: 10px;
}

button {
    padding: 10px 20px;
    font-size: 1em;
    cursor: pointer;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    margin-bottom: 10px;
}

button:hover {
    background-color: #3e8e41;
}

input[type="number"] {
    padding: 5px;
    margin: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

label {
    margin-left: 10px;
}