body {
  font-family: "Open Sans", sans-serif;
  text-transform: capitalize;
  margin: 0;
  cursor: default;
  box-sizing: border-box;
}

h1 {
  padding: 15px;
  text-align: center;
  color: #ff2200;
}

.borders {
  border-bottom: 5px solid dodgerblue;
  padding: 30px 0;
}

.mulitiple__columns {
  padding: 20px;
}

.count ul {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0;
  list-style-type: none;
  counter-reset: list;
}

.count ul:after {
  display: block;
  content: "";
  clear: both;
}
.count li {
  list-style: none;
  line-height: 35px;
  color: #ff2200;
}
.count li:not(:first-child) {
  margin-left: 30px;
}
.count ul li::before {
  counter-increment: list;
  content: counter(list);
  font-size: 1rem;
}

.area {
  column-rule: 2px dotted #ff2200;
  columns: 200px 3;
}

.area h1 {
  column-span: all;
  text-shadow: 9px 9px 0 #ff998a;
}
.area p {
  margin: 0;
}
.megaphone {
  float: left;
  shape-outside: circle(50%);
  margin: 0 10px 10px 0;
}

/* Dot,Bouncing  */
.dot_one {
  animation: dot_one 2s infinite;
}
.dot_two {
  animation: dot_two 2s infinite;
}
.dot_three {
  animation: dot_three 2s infinite;
}
@keyframes dot_one {
  0% {
    opacity: 0;
  }
  15% {
    opacity: 0;
  }
  25% {
    opacity: 1;
  }
  100% {
    opacity: 1;
  }
}
@keyframes dot_two {
  0% {
    opacity: 0;
  }
  40% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 1;
  }
}
@keyframes dot_three {
  0% {
    opacity: 0;
  }
  65% {
    opacity: 0;
  }
  75% {
    opacity: 1;
  }
  100% {
    opacity: 1;
  }
}

/* bouncing ball */
.bouncing_ball {
  position: relative;
  width: 4rem;
  margin: 0 auto;
  height: 12rem;
  border: 1px solid #000;
}

.ball {
  position: absolute;
  width: 4rem;
  height: 4rem;
  background: #000;
  border-radius: 50%;
  animation: bounce 1s infinite;
}

@keyframes bounce {
  0% {
    top: 0;
    animation-timing-function: ease-in;
  }
  34% {
    transform: scale(1, 1);
  }
  35% {
    top: 8rem;
    animation-timing-function: ease-out;
    transform: scale(1.3, 0.7);
  }
  45% {
    transform: scale(1, 1);
  }
  100% {
    top: 0;
  }
}

/* Link Animation */
.wrapper {
  max-width: 50rem;
  width: 100%;
  margin: 2rem auto;
}

a {
  color: #3498db;
  transition: 0.35s;
}

a.fade_in_bg {
  text-decoration: none;
  border-bottom: 0.0625em dotted #3498db;
  padding: 0 0.25em 0.05em;
}

a.fade_in_bg:hover {
  background: #3498db;
  color: #fff;
}

a.fade_in_underline {
  text-decoration: none;
  padding: 0 0.125em 0.05em;
  border-bottom: 0.125em solid transparent;
  transition: all 0.35s;
}
a.fade_in_underline:hover {
  border-color: #3498db;
}

a[class^="underline"] {
  text-decoration: none;
  padding: 0 0.125em 0.05em;
  position: relative;
}

a[class^="underline"]::before {
  content: "";
  position: absolute;
  top: 100%;
  border-bottom: 0.125em solid #3498db;
  transition: 0.35s;
}

.underline_from_left::before {
  left: 0;
  right: 100%;
}
.underline_from_right::before {
  left: 100%;
  right: 0%;
}
.underline_from_center::before {
  left: 50%;
  right: 50%;
}

a[class^="underline"]:hover::before {
  left: 0;
  right: 0;
}

a[class^="slide"] {
  text-decoration: none;
  line-height: 1.5em;
  padding: 0 0.25em;
  border-bottom: 0.0625em dotted #3498db;
  position: relative;
  overflow: hidden;
  display: inline-block;
  vertical-align: bottom;
}

a[class^="slide"]:before {
  position: absolute;
  content: attr(data-linktext);
  background: #3498db;
  color: #fff;
  transition: 0.35s;
}

.slide_from_left:before {
  left: -100%;
  right: 100%;
}

a[class^="slide"]:hover:before {
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
}

.slide_from_right:before {
  left: 100%;
  right: -100%;
}

.slide_from_top:before {
  top: -100%;
  border: 100%;
  left: 0;
  right: 0;
}

.slide_from_bottom:before {
  top: 100%;
  border: -100%;
  left: 0;
  right: 0;
}

/* Transform Rotate */
.world {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  perspective: 500px;
  perspective-origin: center;
}

#trasform__roatate h1 {
  padding-bottom: 0;
  margin-bottom: 0;
}

.cards {
  position: relative;
  width: 100px;
  height: 150px;
  margin: 3em;
  transform: rotateY(0deg);
  transition: 1s;
  transform-style: preserve-3d;
  cursor: pointer;
}

.card-side {
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  left: 50%;
  top: 50%;
  width: 100%;
  height: 100%;
  margin: -75px 0 0 -50px;
  border-radius: 0.5em;
  font-size: 1.5rem;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transition: 1s;
  overflow: hidden;
}

.card-side-back {
  background: dodgerblue;
  transform: rotateY(180deg);
}

.cards:hover .card-side-front {
  transform: rotateY(180deg);
}

.cards:hover .card-side-back {
  transform: rotateY(360deg);
}

/* Background Mask */
.content {
  font-size: 1.3rem;
  color: #262626;
  background-repeat: no-repeat;
  background-size: 49% auto;
  background-attachment: fixed;
}

.right {
  padding: 1.618em 6.472em 3.236em 50%;
}

.illustration_01 {
  background-color: #00c17b;
  background-image: url(../imgs/minipadwhite.png);
  background-position: 0 50%;
}

.separator {
  padding: 1.618em 0;
  text-align: center;
  font-size: 1.6em;
}
.left {
  padding: 1.618em 50% 3.236em 6.472em;
}
.illustration_02 {
  background-color: #e8697b;
  background-image: url(../imgs/minipadblack.png);
  background-position: 100% 50%;
}

/* Display flex,animation */
.flex-wrapper {
  display: flex;
  height: 100vh;
}

.flex-wrapper a {
  flex: 1;
  transition: flex 0.35s;
  position: relative;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}
.flex-wrapper a:hover {
  flex: 3;
}
.flex-wrapper a:hover .overlay {
  background: rgba(0, 0, 0, 0.5);
}

.flex-wrapper a:hover .overlay-inner * {
  transform: none;
  opacity: 1;
}

.flex-wrapper a.one {
  background-image: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/210284/nav-001.jpg);
}
.flex-wrapper a.two {
  background-image: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/210284/nav-002.jpg);
}
.flex-wrapper a.three {
  background-image: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/210284/nav-003.jpg);
}
.flex-wrapper a.four {
  background-image: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/210284/nav-004.jpg);
}
.flex-wrapper a.five {
  background-image: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/210284/nav-005.jpg);
}

.flex-wrapper .overlay {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  padding: 0 10px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.overlay-inner * {
  opacity: 0;
  color: #fff;
  text-align: center;
  transition: 0.5s 0.2s;
}

.overlay-inner h2 {
  transform: translateY(-60px);
}
.overlay-inner p {
  transform: translateY(60px);
}

@media (max-width: 800px) {
  .flex-wrapper {
    flex-direction: column;
  }
  .flex-wrapper a:hover {
    flex: 1;
  }
  .flex-wrapper a:hover .overlay {
    background: none;
  }
  .overlay-inner h2,
  .overlay-inner p {
    transform: none;
    opacity: 1;
    font-size: 80%;
  }
}

@media (max-width: 800px) {
  .overlay-inner h2,
  .overlay-inner p {
    transform: none;
    opacity: 1;
  }
}

/* Button transformation */
.buttons {
  text-align: center;
}

button {
  position: relative;
  font-size: 2em;
  margin: 1rem;
  padding: 0.85em 0.75em;
  border: 0.25rem solid #3498db;
  background: #3498db;
  color: #fff;
  z-index: 1;
  overflow: hidden;
}

button:hover {
  color: #3498db;
  cursor: pointer;
}

button::before {
  position: absolute;
  padding: 0.85em 0.75em;
  content: "";
  background: #ecf0f1;
  z-index: -1;
}

.slide_from_left::before {
  left: -100%;
  right: 100%;
  top: 0;
  bottom: 0;
}

.slide_from_right::before {
  left: 100%;
  right: -100%;
  top: 0;
  bottom: 0;
}

.slide_from_top::before {
  left: 0;
  right: 0;
  top: -100%;
  bottom: 100%;
}

.slide_from_bottom::before {
  left: 0;
  right: 0;
  top: 100%;
  bottom: -100%;
}

button[class^="slide"]:before {
  transition: 0.35s;
}

button[class^="slide"]:hover:before {
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
}

.grow_box::before {
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  transform: scale(0);
  transition: 0.35s;
}

.grow_box:hover::before {
  transform: scale(1);
}

.grow_ellipse::before {
  left: -50%;
  right: -50%;
  top: -50%;
  bottom: -50%;
  border-radius: 50%;
  transform: scale(0);
  transition: 0.35s;
}

.grow_ellipse:hover:before {
  transform: scale(1);
}

.grow_skew_forward::before {
  left: -20%;
  right: -20%;
  bottom: 0;
  top: 0;
  transform: skewX(-45deg) scaleX(0);
  transition: 0.35s;
}

.grow_skew_forward:hover::before {
  transform: skewX(-45deg) scaleX(1);
}

.grow_skew_backward::before {
  left: -20%;
  right: -20%;
  bottom: 0;
  top: 0;
  transform: skewX(45deg) scaleX(0);
  transition: 0.35s;
}

.grow_skew_backward:hover::before {
  transform: skewX(45deg) scaleX(1);
}

.grow_spin::before {
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  transform: scaleX(0) rotate(-180deg);
  transition: 0.35s;
}

.grow_spin:hover::before {
  transform: scaleX(1) rotate(0deg);
}

/* Cube */
.cubes {
  max-width: 50rem;
  width: 100%;
  margin: 3rem auto 7rem;
  text-align: center;
  padding: 0;
}

.perspective {
  perspective: 2000px;
  position: relative;
  perspective-origin: 25rem -150px;
}

.cube {
  position: relative;
  width: 400px;
  height: 400px;
  margin: 3.5rem auto;
  transition: 0.5s;
  transform-style: preserve-3d;
}

@keyframes rotate {
  0% {
    transform: rotateY(0deg);
  }
  100% {
    transform: rotateY(360deg);
  }
}
.cube div {
  position: absolute;
  width: 400px;
  height: 400px;
  opacity: 0.95;
}

.cube div img {
  width: 100%;
  height: 100%;
}
.cube_front {
  transform: translateZ(200px);
}

.cube_back {
  transform: translateZ(-200px) rotateY(180deg);
}
.cube_left {
  transform: rotateY(-90deg) translateZ(200px);
}
.cube_right {
  transform: rotateY(90deg) translateZ(200px);
}
.cube_top {
  transform: rotateX(90deg) translateZ(200px);
}
.cube_bottom {
  transform: rotateX(-90deg) translateZ(200px);
}

input {
  display: none;
}

label:hover {
  cursor: pointer;
}

#rotate ~ .cube {
  animation: rotate 10s infinite linear;
}

#back:checked ~ .cube {
  animation: none;
  transform: rotateY(180deg);
}
#front:checked ~ .cube {
  animation: none;
  transform: none;
}
#top:checked ~ .cube {
  animation: none;
  transform: rotateX(-90deg);
}
#bottom:checked ~ .cube {
  animation: none;
  transform: rotateX(90deg);
}
#left:checked ~ .cube {
  animation: none;
  transform: rotateY(90deg);
}
#right:checked ~ .cube {
  animation: none;
  transform: rotateY(-90deg);
}

label {
  display: inline-block;
  padding: 0.25em 0.5em;
  border-radius: 0.5rem;
  background: dodgerblue;
  color: #fff;
  margin: 0 0.25rem;
  transition: 0.25s;
}

label.check {
  background: rgb(238, 29, 10);
}