style.css

:root {
  --font-brown: #85501e;
  --bg-orange: #fda02d;
  --shadow: rgba(209, 124, 4);
  --shadow-transparent: rgba(209, 124, 4, 0.35);
  --cardboard: #d5a77b;
  --cardboard-shadow: #a07853;
  --switch-blue: #88ccd1;
  --blue-white: #fbf2f0;
  --blue-grey: #a5bfc0;
}

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

body {
  width: 100%;
  height: 100vh;
  color: var(--font-brown);
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: 14px;
  font-weight: 200;
  line-height: 20px;
  background: var(--bg-orange) url("./assets/background2.jpg") no-repeat fixed
    bottom;
  background-size: cover;
  overflow-x: hidden;
}

span {
  font-weight: bold;
  text-decoration: underline;
}

header {
  display: flex;
  justify-content: center;
  align-items: center;
  padding-top: 25px;
}

h1 {
  font-family: "Amatic SC", sans-serif;
  font-size: 33px;
  margin: 0;
  font-weight: 600;
  padding: 2px 0 5px 0px;
  transition-property: all;
  transition-duration: 0.5s;
  transition-timing-function: ease-in-out;
}

p {
  padding: initial;
  margin: 10px;
}

a {
  color: dimgrey;
  text-decoration: none;
}

a::after {
  content: "";
  background-image: url(./assets/external-link.svg);
  background-size: cover;
  position: relative;
  display: inline-block;
  top: 2px;
  width: 14px;
  height: 14px;
  margin-left: 1px;
}

.created-by {
  font-family: "Amatic SC", sans-serif;
  font-size: 20px;
  margin: 0;
  font-weight: 600;
  padding: 3px;
  color: dimgrey;
}

.created-by a:hover,
.created-by a:focus {
  color: var(--blue-white);
  text-shadow: 0 0 2px #fff, 0 0 4px var(--blue-white);
}

.created-by a::after {
  display: none;
}

.h1-light {
  color: var(--blue-white);
  text-shadow: 0 0 3px #fff, 0 0 6px var(--blue-white);
  font-weight: 600;
}

.wrapper {
  max-width: 1200px;
  margin: auto;
}

.content {
  display: grid;
  justify-items: center;
  grid-template-rows: 1fr;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-areas: "name box description";
}

.logo-container {
  display: flex;
  width: 250px;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}

.logo {
  width: 75px;
  height: auto;
  -webkit-filter: brightness(98%);
  filter: brightness(98%);
  margin-left: -12px;
}

.text {
  color: dimgrey;
  border-radius: 10px;
  padding: 10px;
  border: 1px solid var(--blue-grey);
  background-color: var(--blue-white);
  box-shadow: 0 0 0 14px var(--switch-blue), 0 0 0 15px var(--blue-grey),
    -25px 25px 3px 1px rgb(0, 0, 0, 0.1);
  visibility: hidden;
  opacity: 0;
  transition-property: all;
  transition-duration: 2s;
  transition-timing-function: ease-in-out;
}

.name-origin,
.temp-description {
  display: flex;
  flex-direction: column;
  justify-content: center;
  z-index: 50;
}
.name-origin {
  grid-area: name;
  align-items: flex-start;
  margin-left: 35px;
}

.temp-description {
  grid-area: description;
  align-items: flex-end;
  margin-right: 35px;
}
.visible {
  visibility: visible;
  opacity: 1;
}

.image {
  width: 100%;
  height: 100%;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 4;
}

.image img {
  max-width: 300px;
  max-height: 300px;
  border-radius: 10px;
  -webkit-animation: move 40s ease infinite;
  animation: move 40s ease infinite;
  z-index: 4;
}

.flap1,
.flap2,
.flap3,
.flap4 {
  position: absolute;
  background-color: var(--cardboard);
  box-shadow: 0 0 1px 2px var(--font-brown);
  border-radius: 3px;
}

.flap1 {
  width: 150px;
  height: 300px;
  z-index: 10;
  transform: rotateY(-15deg) translateZ(1px);
  transform-origin: 0 0;
  transition: transform 1s 1.5s;
}

.flap2 {
  left: 150px;
  width: 150px;
  height: 300px;
  z-index: 10;
  transform: rotateY(7deg) translateZ(1px);
  transform-origin: 100% 0;
  transition: transform 1s ease 1s;
}

.flap3 {
  width: 300px;
  height: 147px;
  z-index: 5;
  transform-origin: 0 0;
  transition: transform 1s ease 0.5s;
}

.flap4 {
  top: 150px;
  width: 300px;
  height: 150px;
  z-index: 5;
  transform-origin: 0 100%;
  transition: transform 1s ease;
}

.open-flap1 {
  transform: rotateY(-160deg) translateZ(1px);
  transition: transform 1s ease;
}

.open-flap2 {
  transform: rotateY(160deg) translateZ(1px);
  transition: transform 1s ease 0.5s;
}

.open-flap3 {
  transform: rotateX(160deg);
  transition: transform 1s ease 1s;
}

.open-flap4 {
  transform: rotateX(-160deg);
  transition: transform 1s ease 1.5s;
}

#box a {
  color: var(--blue-white);
  text-shadow: 0 0 3px #fff, 0 0 6px var(--blue-white);
  padding-bottom: 1px;
}

#box a::after {
  display: none;
}

#box {
  grid-area: box;
  background-color: var(--cardboard-shadow);
  position: relative;
  width: 300px;
  height: 300px;
  perspective: 800px;
  transform-style: preserve-3d;
  border: 2px solid var(--font-brown);
  transform: rotate(-3deg);
  margin-top: 165px;
  box-shadow: -85px 0px 3px 1px var(--shadow-transparent);
  z-index: -1;
}

/* ***************************** slider switch ****************************** */
.switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--shadow);
  transition: 0.4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-color: var(--blue-white);
  transition: 0.4s;
}

input:checked + .slider {
  background-color: var(--switch-blue);
}

input:focus + .slider {
  box-shadow: 0 0 1px var(--switch-blue);
}

input:checked + .slider:before {
  transform: translateX(26px);
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}
/* ***************************** slider switch ends ************************** */

@-webkit-keyframes move {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes move {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}

/* Portrait tablet and small desktops. */
@media (max-width: 940px) {
  .text {
    max-width: initial;
  }

  header {
    position: fixed;
    width: 100%;
    z-index: 70;
    background-color: var(--bg-orange);
    margin: 0;
    padding: 7px 0 5px 0;
    border-bottom: 2px solid var(--font-brown);
    box-shadow: 0 3px 3px 3px rgba(0, 0, 0, 0.1);
  }
  .content {
    grid-template-rows: 28rem 14rem 22rem;
    grid-template-columns: 1fr;
    grid-template-areas: "box" "name" "description";
    max-width: 100%;
    overflow-x: hidden;
  }

  .name-origin {
    justify-content: flex-start;
    margin: 50px 30px 30px 30px;
  }

  .temp-description {
    justify-content: flex-start;
    margin: 0 30px 50px 30px;
  }

  .image img {
    -webkit-animation: none;
    animation: none;
  }
}