*,
*::before,
*::after {
  box-sizing: border-box;
}
* {
  margin: 0;
}
:root {
  --clr--Bright-orange: hsl(31, 77%, 52%);
  --clr--Dark-cyan: hsl(184, 100%, 22%);
  --clr--Very-dark-cyan: hsl(179, 100%, 13%);
  /* (paragraphs) */
  --clr--Transparent-white: hsla(0, 0%, 100%, 0.75);
  /* (background, headings, buttons) */
  --clr--Very-light-gray: hsl(0, 0%, 95%);
}

html,
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.container {
  display: flex;
  flex-direction: row;
  align-content: center;
  justify-content: center;
}
.box {
  max-width: 250px;
  height: 100%;
}
.box-1 {
  background-color: var(--clr--Bright-orange);
  border-radius: 5px 0 0 5px;
}

.icon-1,
.icon-2,
.icon-3 {
  margin: 2rem;
}
h1 {
  margin: 0 2rem 0 2rem;
  color: var(--clr--Transparent-white);
  font-family: "Big Shoulders Display", sans-serif;
  font-weight: 700;
}
p {
  margin: 2rem;
  font-family: "Lexend Deca", sans-serif;
  font-weight: 400;
  font-size: 15px;
  color: var(--clr--Transparent-white);
}
.box-2 {
  background-color: var(--clr--Dark-cyan);
}
.box-3 {
  background-color: var(--clr--Very-dark-cyan);
  border-radius: 0 5px 5px 0;
}
.btn {
  margin: 2rem 1.5rem 2rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--clr--Very-light-gray);
  border-radius: 25px;
}
.btn-1 {
  background-color: var(--clr--Very-light-gray);
  color: var(--clr--Bright-orange);
}
.btn-1:hover,
.btn-2:hover,
.btn-3:hover {
  color: var(--clr--Very-light-gray);
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease;
}
.btn-1:hover {
  background-color: var(--clr--Bright-orange);
}
.btn-2 {
  background-color: var(--clr--Very-light-gray);
  color: var(--clr--Dark-cyan);
}
.btn-2:hover {
  background-color: var(--clr--Dark-cyan);
}
.btn-3 {
  background-color: var(--clr--Very-light-gray);
  color: var(--clr--Very-dark-cyan);
}
.btn-3:hover {
  background-color: var(--clr--Very-dark-cyan);
}
.attribution {
  font-size: 15px;
  text-align: center;
  font-family: "Big Shoulders Display", sans-serif;
  font-weight: 700;
  margin-top: 2rem;
}
.attribution a {
  color: hsl(228, 45%, 44%);
}
@media (max-width: 768px) {
  .container {
    display: flex;
    flex-direction: column;
    align-content: center;
    justify-content: center;
    padding: 2rem 0;
  }

  .box-1 {
    border-radius: 5px 5px 0 0;
  }
  .box-3 {
    border-radius: 0 0 5px 5px;
  }
}