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

html {
  font-size: 62.5%;
}

body {
  font-family: "Karla", sans-serif;
  font-weight: 400;
  font-size: 1.6rem;
  line-height: 2.6rem;
  letter-spacing: -0.02rem;
  color: #fff;
  background-color: #e6eff5;
}

a:focus-visible {
  outline: 0.3rem dashed #fff;
  outline-offset: 0.5rem;
}

.heading2,
.heading3 {
  font-weight: 700;
}

.heading2 {
  font-size: 2.4rem;
  line-height: 2.8rem;
  letter-spacing: -0.03rem;
}

.heading3 {
  font-size: 1.8rem;
  line-height: 2.1rem;
}

.btn:link,
.btn:visited {
  display: flex;
  justify-content: center;
  padding: 1.4rem 0;
  text-decoration: none;
  font-weight: 700;
  line-height: 1.9rem;
  cursor: pointer;
  color: inherit;
  background-color: #c0df33;
  border-radius: 0.5rem;
  box-shadow: 0rem 1rem 1rem rgba(0, 0, 0, 0.0973011);
  transition: all 0.3s;
}

.btn:hover,
.btn:active {
  background-color: #9eb82b;
}