style.css

html {
  font-family: "Irish Grover", cursive;
  font-family: "Raleway", sans-serif;
  font-family: "Roboto", sans-serif;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background-color: #24527a;
}

h1 {
  font-size: 100px;
}

.container-timer {
  flex-direction: row;
  width: 33%;
}

.container-buttons {
  display: flex;
  flex-direction: row;
  justify-content: space-around;
  width: 33%;
  gap: 120px;
}

.btn {
  flex-grow: 0;
  background-color: #4caf50;
  border: none;
  border-radius: 20px;
  background-color: #e0ebeb;
  padding: 15px 45px;
  text-align: center;
  text-decoration: none;
  font-size: 30px;
  font-weight: bolder;
  cursor: pointer;
  margin-top: 100px;
}

.btn:hover {
  background-color: #a7bcb9;
}

.time {
  text-align: center;
  font-size: 100px;
  border: solid 10px #5dacbd;
  border-radius: 20px;
  background-color: #e0ebeb;
}