style.css

@import url("https://fonts.googleapis.com/css2?family=Rubik:wght@300;400;500&display=swap");

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  list-style: none;
  outline: none;
  box-sizing: border-box;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: #d3a7a7;
  padding: 5em 0;
}

h1, h3, p {
  text-align: center;
  color: #001f3e;
  opacity: 0.9;
}

h1 {
  font: bold 80px/120% Arial, "Helvetica", sans-serif;
}

h3 {
  text-transform: uppercase;
  font: bold 34px/120% Georgia, serif;
}

p {
  font: 400 16px/120% "Rubik", sans-serif;
  padding: 0.3em 1em;
}

section {
  border-radius: 30px;
  background: linear-gradient(145deg, #be9696, #e2b3b3);
  box-shadow: 20px 20px 60px #b38e8e, -20px -20px 60px #f3c0c0;
  height: 300px;
  width: 200px;
  margin-top: 2em;
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
}

#reset {
  height: 40px;
  width: 80px;
  background-color: #d3a7a7;
  border: 2px solid #001f3e;
  color: #001f3e;
  border-radius: 40%;
  margin: 0;
  letter-spacing: 0.5px;
  font: 400 15px/120% "Rubik", sans-serif;
}

button {
  text-align: center;
  background-color: #001f3e;
  color: #f0f0f0;
  height: 40px;
  width: 40px;
  margin-top: 2em;
  margin-bottom: 1em;
  outline: none;
  border: 0;
  border-radius: 50%;
  font: 500 15px/120% "Rubik", sans-serif;
}

button:first-of-type {
  margin-right: 15px;
}

button:hover {
  transform: scale(0.95);
  cursor: pointer;
}

@media screen and (max-width: 426px) {
  h3 {
    font-size: 24px;
  }

  p {
    font-size: 14px;
    padding: 0.3em 1em;
  }

  #reset {
    font-size: 14px;
  }
}