body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: Arial, sans-serif;
    background-color: #c0c0c0;
}
body {
    display: flex;
    flex-direction: column;
}

/* pill shaped blue button */
button {
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 20px;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 1em;
    margin: 20px;
}

button:hover {
    background-color: #0056b3;

}

.main-title {
    text-align: center;
    color: rgb(0, 0, 0);
    padding: 25px 0;
    margin: 0;
}

.counters-container {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.parent {
    display: flex;
  }

.left, .right {
    flex: 1;
  }

.countdown-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
}

#upper {
    background-color: #b5b5b5;
}
#lower {
    background-color: #a3a3a3;
}

h2 {
    font-size: 2em;
    color: #000000;
    margin-bottom: 20px;
}
.countdown {
    font-size: 4em;
    font-weight: bold;
    margin: 10px 0;
}
.next-time {
    font-size: 1.5em;
    margin-top: 10px;
}