@import url("https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@400;700&display=swap");

*,
*::before,
*::after {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

html,
body {
  height: 100%;
  width: 100%;
  font-family: "Roboto Mono", monospace;
  background: #f0f0f0;
}

.container {
  align-items: center;
  display: flex;
  justify-content: center;
  flex-direction: column;
  height: 100%;
  width: 100%;
}

.clock {
  display: flex;
}

.clock div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100px;
  height: 100px;
  margin: 10px;
  padding: 10px;

  background: white;
  box-shadow: 1px 1px 5px rgba(0, 0, 0, 0.4);
  border-radius: 10px;
  cursor: pointer;
}

.clock div span {
  font-size: 40px;
  font-weight: 700;
}

.title {
  font-size: xx-large;
  margin-bottom: 20px;
}

@media (max-width: 500px) {
  .title {
    font-size: x-large;
  }

  .clock div {
    width: 70px;
    height: 70x;
    margin: 5px;
    padding: 5px;
  }

  .clock div span {
    font-size: 25px;
    font-weight: 700;
  }
}