Template:IntroButton/styles.css

/* outer box */
.intro-box {
  display: inline-flex;          /* makes it horizontal */
  align-items: center;
  gap: 10px;
  background: #ED8136;
  padding: 14px 26px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 16px;
}

/* link inside */
.intro-box a {
  color: #fff;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* little blue icon like in your first screenshot */
.intro-box a::before {
  content: "";
  width: 18px;
  height: 18px;
  background: #369EA7;
  border-radius: 4px;
  display: inline-block;
}

/* hover */
.intro-box:hover {
  background: #FAB243;
}