style.css

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;

}

:root {
  --bg-color: #121214;
  --bg-controls: rgba(66, 211, 255, 0.13);
  --primary-color: #42D3FF;
  --text-color: #fff;

  font-family: 'Roboto', sans-serif;
  font-size: 62.5%;
  font-weight: bold;
}

body {
  background-color: var(--bg-color);

  font-size: 1.6rem;
  color: var(--text-color);

  min-height: 100vh;
  display:grid;

}

button {
  background-color: transparent;
  border: none;

  cursor: pointer;
}

button svg {
  width: clamp(3.2rem, 2rem + 12vw, 6.4rem);
}

main {
  /* min-height: 100vh;
  display:grid;
  place-content: center; */
  justify-self:center;
  align-self: end;


}

footer {

  /* position: absolute;
  right: 0; */

  justify-self: end;
  align-self: end;
}

.hide {
  display: none;
}

.timer {
  font-size: clamp(4rem, 4rem + 10vw, 8.8rem);
  line-height: 10.3rem;
  text-align: center;
  text-transform: uppercase;
  
  display:flex;

  margin-bottom: 1.6rem;
}

.controls {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  padding: 2.2rem 4rem;
  gap: 3.2rem;

  width: clamp(10rem, 10rem + 30vw, 22.8rem);

  background: var(--bg-controls);
  border-radius: 999.9rem;  /* BORDER-ÍLL*/
}

.sound-on,
.sound-off {
  margin-right: 4rem;
  margin-bottom: 3.2rem;
}