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

body {
  background: gray;
  overflow: hidden;
}

p {
  padding-bottom: 2rem;
}

.page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 15%;
  height: 100vh;
}

.page:nth-child(2n) {
  background: white;
}


h1 {
  padding: 1.5rem;
  font-size: 3.5rem;
}


/** Buttons  */

.btn {
  display: inline-block;
  color: green;
  text-decoration: none;
  background: yellow;
  padding: 0.4rem;
  margin: 0.3rem;
  border-radius: 5px;
  transition: all 0.4s;
}

.btn-dark {
  background: brown;
  color: white;
}

a {
  text-decoration: none;
}

.btn-dark a {
  color: white;
}

.btn:hover {
  cursor: pointer;
  /* font-size: 1.2rem; */
  /* font-weight: bold; */
  background: red;
  color: #000;
}


/** Animations  */

h1 {
  transform: translateX(300%);
  -webkit-transform: translateX(300%);
  -moz-transform: translateX(300%);
  -ms-transform: translateX(300%);
  -o-transform: translateX(300%);
  animation: heading 3s forwards ease-in;
  -webkit-animation: heading 1s forwards ease-in;
}

@keyframes heading {
  100% {
    transform: translateX(0);
    -webkit-transform: translateX(0);
    -moz-transform: translateX(0);
    -ms-transform: translateX(0);
    -o-transform: translateX(0);
  }
}

p {
  transform: translateX(-150%);
  -webkit-transform: translateX(-150%);
  -moz-transform: translateX(-150%);
  -ms-transform: translateX(-150%);
  -o-transform: translateX(-150%);
  animation: text 2s forwards ease-in;
  -webkit-animation: text 1s forwards 1s ease-in;
}

@keyframes text {
  100% {
    transform: translateX(0);
    -webkit-transform: translateX(0);
    -moz-transform: translateX(0);
    -ms-transform: translateX(0);
    -o-transform: translateX(0);
  }
}