* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition: all 0.4s;
}

html {
  scroll-behavior: smooth;
}

span.bold {
  font-weight: bold;
}

h1 {
  font-size: 4rem;
  font-weight: bold;
  width: max-content;
  margin: 0 auto;
}

h1:nth-child(even) {
  border-bottom: .25rem solid #ffffff;
}

h1:nth-child(odd) {
  border-bottom: .25rem solid #7ed6df;
}