style.css

@import url("https://fonts.googleapis.com/css2?family=Courier+Prime:ital,wght@0,400;0,700;1,400;1,700&display=swap");

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Courier Prime", monospace;
  font-weight: 400;
  font-style: normal;
}

:root {
  --bg-color: #eecad5;
  --primary-color: #d1e9f6;
  --secondary-color: #f1d3ce;
  --text-color: #ebd3f8;
}

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

/* .center {
  display: flex;
  justify-content: center;
  align-items: center;
} */

h1 {
  color: var(--text-color);
}

.stopwatch {
  width: 90%;
  max-width: 600px;
  background-color: var(--primary-color);
  background-image: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)),
    url(./image/manha.avif);
  background-repeat: no-repeat;
  background-size: cover;
  text-align: center;
  padding: 40px 0;
  margin: 200px auto 0;
  box-shadow: 0 10px 10px rgba(0, 0, 0, 0.8);
}

.buttons i {
  height: 50px;
  width: 50px;
  border-radius: 50%;
  padding: 16.5px;
  margin: 20px 5px;
  background-color: var(--secondary-color);
  /* color: var(--primary-color); */
  color: #624e88;

  box-shadow: 0 10px 10px rgba(0, 0, 0, 0.9);
  cursor: pointer;
  transition: all 0.4s;
}
/* .buttons i:nth-child(2) {
  transform: scale(1.3);
} */

.buttons i:hover {
  background-color: var(--primary-color);
  color: crimson;
  transform: scale(1.2);
}