@import url("https://fonts.googleapis.com/css2?family=Poppins&display=swap");

* {
  margin: 0;
  padding: 0;
  text-decoration: none;
  overflow: hidden;
  color: #fff;
  font-family: "Poppins", sans-serif;
}

body {
  background: #317bff;
  background: -webkit-linear-gradient(top, #317bff 0%, #fff 100%);
  background: -linear-gradient(top, #317bff 0%, #fff 100%);
  background: -moz-linear-gradient(top, #317bff 0%, #fff 100%);
  width: 100vw;
  height: 100vh;
}

a:hover {
  color: rgb(204, 204, 204);
  transition: 0.2s;
}

nav {
  height: 100px;
  width: 100%;
}

nav ul {
  float: right;
  margin-right: 20px;
}
nav ul li {
  display: inline-block;
  line-height: 80px;
  margin: 0 5px;
}
nav ul li a {
  color: #fff;
  font-size: 18px;
  padding: 7px 13px;
  border-radius: 3px;
}

.checkbtn {
  font-size: 30px;
  color: #fff;
  float: right;
  line-height: 80px;
  margin-right: 25px;
  cursor: pointer;
  display: none;
}
#check {
  display: none;
}

#clouds {
  padding: 100px 0px;
}

.cloud {
  width: 150px;
  height: 93px;
  background-image: url(../img/cloud.png);
  background-repeat: no-repeat;
  position: relative;
}

.x1 {
  -webkit-animation: animateCloud 105s linear infinite;
  -moz-animation: animateCloud 105s linear infinite;
  -o-animation: animateCloud 105s linear infinite;
}

.x2 {
  left: 200px;

  -webkit-transform: scale(0.6);
  -moz-transform: scale(0.6);
  transform: scale(0.6);
  opacity: 0.6;

  -webkit-animation: animateCloud 120s linear infinite;
  -moz-animation: animateCloud 120s linear infinite;
  -o-animation: animateCloud 120s linear infinite;
}

.x3 {
  top: -200px;

  -webkit-transform: scale(0.8);
  -moz-transform: scale(0.8);
  transform: scale(0.8);
  opacity: 0.8;

  -webkit-animation: animateCloud 115s linear infinite;
  -moz-animation: animateCloud 115s linear infinite;
  -o-animation: animateCloud 115s linear infinite;
}

.x4 {
  top: -250px;

  -webkit-transform: scale(0.75);
  -moz-transform: scale(0.75);
  transform: scale(0.75);
  opacity: 0.75;

  -webkit-animation: animateCloud 113s linear infinite;
  -moz-animation: animateCloud 113s linear infinite;
  -o-animation: animateCloud 113s linear infinite;
}

.x5 {
  top: -150px;

  -webkit-transform: scale(0.8);
  -moz-transform: scale(0.8);
  transform: scale(0.8);
  opacity: 0.8;

  -webkit-animation: animateCloud 115s linear infinite;
  -moz-animation: animateCloud 115s linear infinite;
  -o-animation: animateCloud 115s linear infinite;
}

.x6 {
  top: -130px;

  -webkit-transform: scale(0.8);
  -moz-transform: scale(0.8);
  transform: scale(0.8);
  opacity: 0.75;

  -webkit-animation: animateCloud 125s linear infinite;
  -moz-animation: animateCloud 125s linear infinite;
  -o-animation: animateCloud 125s linear infinite;
}

.x7 {
  top: -250px;

  -webkit-transform: scale(0.6);
  -moz-transform: scale(0.6);
  transform: scale(0.6);
  opacity: 0.8;

  -webkit-animation: animateCloud 113s linear infinite;
  -moz-animation: animateCloud 113s linear infinite;
  -o-animation: animateCloud 113s linear infinite;
}

.container-logo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.container-logo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.container-logo img {
  width: 300px;
  margin-bottom: 20px;
}

.container-msj h1 {
  color: #fff;
  font-size: 1.2em;
}

@-webkit-keyframes animateCloud {
  0% {
    margin-left: 100%;
  }
  100% {
    margin-left: -100%;
  }
}

@-moz-keyframes animateCloud {
  0% {
    margin-left: 100%;
  }
  100% {
    margin-left: -100%;
  }
}

@keyframes animateCloud {
  0% {
    margin-left: 100%;
  }
  100% {
    margin-left: -100%;
  }
}

@media (max-width: 1199px) and (min-width: 992px) {
  .x1 {
    -webkit-animation: animateCloud 85s linear infinite;
    -moz-animation: animateCloud 85s linear infinite;
    -o-animation: animateCloud 85s linear infinite;
  }

  .x2 {
    left: 200px;

    -webkit-transform: scale(0.6);
    -moz-transform: scale(0.6);
    transform: scale(0.6);
    opacity: 0.6;

    -webkit-animation: animateCloud 100s linear infinite;
    -moz-animation: animateCloud 100s linear infinite;
    -o-animation: animateCloud 100s linear infinite;
  }

  .x3 {
    top: -200px;

    -webkit-transform: scale(0.8);
    -moz-transform: scale(0.8);
    transform: scale(0.8);
    opacity: 0.8;

    -webkit-animation: animateCloud 95s linear infinite;
    -moz-animation: animateCloud 95s linear infinite;
    -o-animation: animateCloud 95s linear infinite;
  }

  .x4 {
    top: -250px;

    -webkit-transform: scale(0.75);
    -moz-transform: scale(0.75);
    transform: scale(0.75);
    opacity: 0.75;

    -webkit-animation: animateCloud 93s linear infinite;
    -moz-animation: animateCloud 93s linear infinite;
    -o-animation: animateCloud 93s linear infinite;
  }

  .x5 {
    top: -150px;

    -webkit-transform: scale(0.8);
    -moz-transform: scale(0.8);
    transform: scale(0.8);
    opacity: 0.8;

    -webkit-animation: animateCloud 95s linear infinite;
    -moz-animation: animateCloud 95s linear infinite;
    -o-animation: animateCloud 95s linear infinite;
  }

  .x6 {
    top: -130px;

    -webkit-transform: scale(0.8);
    -moz-transform: scale(0.8);
    transform: scale(0.8);
    opacity: 0.75;

    -webkit-animation: animateCloud 105s linear infinite;
    -moz-animation: animateCloud 105s linear infinite;
    -o-animation: animateCloud 105s linear infinite;
  }

  .x7 {
    top: -250px;

    -webkit-transform: scale(0.6);
    -moz-transform: scale(0.6);
    transform: scale(0.6);
    opacity: 0.8;

    -webkit-animation: animateCloud 93s linear infinite;
    -moz-animation: animateCloud 93s linear infinite;
    -o-animation: animateCloud 93s linear infinite;
  }
}

@media (max-width: 991px) and (min-width: 768px) {
  .x1 {
    -webkit-animation: animateCloud 65s linear infinite;
    -moz-animation: animateCloud 65s linear infinite;
    -o-animation: animateCloud 65s linear infinite;
  }

  .x2 {
    left: 200px;

    -webkit-transform: scale(0.6);
    -moz-transform: scale(0.6);
    transform: scale(0.6);
    opacity: 0.6;

    -webkit-animation: animateCloud 80s linear infinite;
    -moz-animation: animateCloud 80s linear infinite;
    -o-animation: animateCloud 80s linear infinite;
  }

  .x3 {
    top: -200px;

    -webkit-transform: scale(0.8);
    -moz-transform: scale(0.8);
    transform: scale(0.8);
    opacity: 0.8;

    -webkit-animation: animateCloud 75s linear infinite;
    -moz-animation: animateCloud 75s linear infinite;
    -o-animation: animateCloud 75s linear infinite;
  }

  .x4 {
    top: -250px;

    -webkit-transform: scale(0.75);
    -moz-transform: scale(0.75);
    transform: scale(0.75);
    opacity: 0.75;

    -webkit-animation: animateCloud 73s linear infinite;
    -moz-animation: animateCloud 73s linear infinite;
    -o-animation: animateCloud 73s linear infinite;
  }

  .x5 {
    top: -150px;

    -webkit-transform: scale(0.8);
    -moz-transform: scale(0.8);
    transform: scale(0.8);
    opacity: 0.8;

    -webkit-animation: animateCloud 75s linear infinite;
    -moz-animation: animateCloud 75s linear infinite;
    -o-animation: animateCloud 75s linear infinite;
  }

  .x6 {
    top: -130px;

    -webkit-transform: scale(0.8);
    -moz-transform: scale(0.8);
    transform: scale(0.8);
    opacity: 0.75;

    -webkit-animation: animateCloud 85s linear infinite;
    -moz-animation: animateCloud 85s linear infinite;
    -o-animation: animateCloud 85s linear infinite;
  }

  .x7 {
    top: -250px;

    -webkit-transform: scale(0.6);
    -moz-transform: scale(0.6);
    transform: scale(0.6);
    opacity: 0.8;

    -webkit-animation: animateCloud 73s linear infinite;
    -moz-animation: animateCloud 73s linear infinite;
    -o-animation: animateCloud 73s linear infinite;
  }

  .checkbtn {
    display: block;
    font-size: 40px;
  }

  ul {
    position: fixed;
    width: 100%;
    height: 100vh;
    top: 60px;
    left: -100%;
    text-align: right;
    transition: all 0.5s;
    margin-left: -15px;
  }
  nav ul li {
    display: block;
    margin: 15px 0;
    line-height: 25px;
  }
  nav ul li a {
    font-size: 20px;
  }

  #check:checked ~ ul {
    left: 0;
  }
}

@media (max-width: 767px) {
  .x1 {
    -webkit-animation: animateCloud 45s linear infinite;
    -moz-animation: animateCloud 45s linear infinite;
    -o-animation: animateCloud 45s linear infinite;
  }

  .x2 {
    left: 200px;

    -webkit-transform: scale(0.6);
    -moz-transform: scale(0.6);
    transform: scale(0.6);
    opacity: 0.6;

    -webkit-animation: animateCloud 60s linear infinite;
    -moz-animation: animateCloud 60s linear infinite;
    -o-animation: animateCloud 60s linear infinite;
  }

  .x3 {
    top: -200px;

    -webkit-transform: scale(0.8);
    -moz-transform: scale(0.8);
    transform: scale(0.8);
    opacity: 0.8;

    -webkit-animation: animateCloud 55s linear infinite;
    -moz-animation: animateCloud 55s linear infinite;
    -o-animation: animateCloud 55s linear infinite;
  }

  .x4 {
    top: -250px;

    -webkit-transform: scale(0.75);
    -moz-transform: scale(0.75);
    transform: scale(0.75);
    opacity: 0.75;

    -webkit-animation: animateCloud 53s linear infinite;
    -moz-animation: animateCloud 53s linear infinite;
    -o-animation: animateCloud 53s linear infinite;
  }

  .x5 {
    top: -150px;

    -webkit-transform: scale(0.8);
    -moz-transform: scale(0.8);
    transform: scale(0.8);
    opacity: 0.8;

    -webkit-animation: animateCloud 55s linear infinite;
    -moz-animation: animateCloud 55s linear infinite;
    -o-animation: animateCloud 55s linear infinite;
  }

  .x6 {
    top: -130px;

    -webkit-transform: scale(0.8);
    -moz-transform: scale(0.8);
    transform: scale(0.8);
    opacity: 0.75;

    -webkit-animation: animateCloud 65s linear infinite;
    -moz-animation: animateCloud 65s linear infinite;
    -o-animation: animateCloud 65s linear infinite;
  }

  .x7 {
    top: -250px;

    -webkit-transform: scale(0.6);
    -moz-transform: scale(0.6);
    transform: scale(0.6);
    opacity: 0.8;

    -webkit-animation: animateCloud 53s linear infinite;
    -moz-animation: animateCloud 53s linear infinite;
    -o-animation: animateCloud 53s linear infinite;
  }

  .checkbtn {
    display: block;
  }

  ul {
    position: fixed;
    width: 100%;
    height: 100vh;
    top: 60px;
    left: -100%;
    text-align: right;
    transition: all 0.5s;
    margin-left: -15px;
  }
  nav ul li {
    display: block;
    margin: 15px 0;
    line-height: 15px;
  }
  nav ul li a {
    font-size: 15px;
  }

  #check:checked ~ ul {
    left: 0;
  }
}