body{
    background-color: #000065;
    overflow: hidden;
    position: absolute;
    width: 100%;
    height: 100%;
}

.header{
    color: #98cfff;
    font-family: monospace;
    display: flex;
    justify-content: center;
}

.subheading{
    color: #98cfff;
    font-family: monospace;
    display: flex;
    justify-content: center;
}

.seconds{
    font-size: 400%;
    color: #98cfff;
    font-family: monospace;
    height: 100%;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.percentage{
    margin: 6%;
    font-size: 150%;
}

@media (max-width: 800px) {
  .seconds{
    font-size: 200%;
  }
}