@import url("https://fonts.googleapis.com/css?family=Barlow|Barlow+Condensed&display=swap");

* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}
/* position the svg and div wrapping the controls one atop the other */
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #262728;
  font-family: "Barlow", sans-serif;
}
/* have the clock describing the svg expand to cover a sizeable portion of the viewport */
svg {
  margin-top: 1rem;
  width: 60vmin;
  height: auto;
  filter: url(#shadow-large);
}
svg text {
  font-family: "Barlow Condensed", sans-serif;
}

/* display the controls side by side */
.controls {
  display: flex;
  flex-wrap: wrap;
  margin-top: 2rem;
}
/* display the button+span elements in columns */
.controls div {
  text-align: center;
  display: flex;
  flex-direction: column;
  margin: 1rem;
}
/* style the buttons with the same colors used for the clock */
.controls div button {
  border: none;
  border-radius: 50%;
  background: #ea3f3f;
  padding: 0.25rem;
  color: #fff;
  width: 48px;
  height: 48px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5rem;
  filter: url(#shadow-large);
  margin: 0.5rem 0;
}
.controls div span {
  color: #fff;
}