Flowy.css

/*html,body {


  margin: 0;
  overflow: hidden;
  height: 100%;
}*/

html,body
    {
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' width='50' height='25' viewBox='0 0 50 25'%3E%3Cdefs%3E%3Crect stroke='%23ffffff' stroke-width='0.1' width='1' height='1' id='s'/%3E%3Cpattern id='a' width='2' height='2' patternUnits='userSpaceOnUse'%3E%3Cg stroke='%23ffffff' stroke-width='0.1'%3E%3Crect fill='%23fafafa' width='1' height='1'/%3E%3Crect fill='%23ffffff' width='1' height='1' x='1' y='1'/%3E%3Crect fill='%23f5f5f5' width='1' height='1' y='1'/%3E%3Crect fill='%23f0f0f0' width='1' height='1' x='1'/%3E%3C/g%3E%3C/pattern%3E%3Cpattern id='b' width='5' height='11' patternUnits='userSpaceOnUse'%3E%3Cg fill='%23ebebeb'%3E%3Cuse xlink:href='%23s' x='2' y='0'/%3E%3Cuse xlink:href='%23s' x='4' y='1'/%3E%3Cuse xlink:href='%23s' x='1' y='2'/%3E%3Cuse xlink:href='%23s' x='2' y='4'/%3E%3Cuse xlink:href='%23s' x='4' y='6'/%3E%3Cuse xlink:href='%23s' x='0' y='8'/%3E%3Cuse xlink:href='%23s' x='3' y='9'/%3E%3C/g%3E%3C/pattern%3E%3Cpattern id='c' width='7' height='7' patternUnits='userSpaceOnUse'%3E%3Cg fill='%23e5e5e5'%3E%3Cuse xlink:href='%23s' x='1' y='1'/%3E%3Cuse xlink:href='%23s' x='3' y='4'/%3E%3Cuse xlink:href='%23s' x='5' y='6'/%3E%3Cuse xlink:href='%23s' x='0' y='3'/%3E%3C/g%3E%3C/pattern%3E%3Cpattern id='d' width='11' height='5' patternUnits='userSpaceOnUse'%3E%3Cg fill='%23ffffff'%3E%3Cuse xlink:href='%23s' x='1' y='1'/%3E%3Cuse xlink:href='%23s' x='6' y='3'/%3E%3Cuse xlink:href='%23s' x='8' y='2'/%3E%3Cuse xlink:href='%23s' x='3' y='0'/%3E%3Cuse xlink:href='%23s' x='0' y='3'/%3E%3C/g%3E%3Cg fill='%23e0e0e0'%3E%3Cuse xlink:href='%23s' x='8' y='3'/%3E%3Cuse xlink:href='%23s' x='4' y='2'/%3E%3Cuse xlink:href='%23s' x='5' y='4'/%3E%3Cuse xlink:href='%23s' x='10' y='0'/%3E%3C/g%3E%3C/pattern%3E%3Cpattern id='e' width='47' height='23' patternUnits='userSpaceOnUse'%3E%3Cg fill='%23BA7'%3E%3Cuse xlink:href='%23s' x='2' y='5'/%3E%3Cuse xlink:href='%23s' x='23' y='13'/%3E%3Cuse xlink:href='%23s' x='4' y='18'/%3E%3Cuse xlink:href='%23s' x='35' y='9'/%3E%3C/g%3E%3C/pattern%3E%3Cpattern id='f' width='61' height='31' patternUnits='userSpaceOnUse'%3E%3Cg fill='%23BA7'%3E%3Cuse xlink:href='%23s' x='16' y='0'/%3E%3Cuse xlink:href='%23s' x='13' y='22'/%3E%3Cuse xlink:href='%23s' x='44' y='15'/%3E%3Cuse xlink:href='%23s' x='12' y='11'/%3E%3C/g%3E%3C/pattern%3E%3C/defs%3E%3Crect fill='url(%23a)' width='50' height='25'/%3E%3Crect fill='url(%23b)' width='50' height='25'/%3E%3Crect fill='url(%23c)' width='50' height='25'/%3E%3Crect fill='url(%23d)' width='50' height='25'/%3E%3Crect fill='url(%23e)' width='50' height='25'/%3E%3Crect fill='url(%23f)' width='50' height='25'/%3E%3C/svg%3E");
    background-attachment: fixed;
    background-size: cover;
    margin: 0;
    padding: 0;
    }


@import url('https://fonts.googleapis.com/css?family=Montserrat');

main {
  height: 100%;
  position: relative;
  overflow: hidden;
}

.aside-section {
  top: 0;
  bottom: 0;
  position: absolute;
}

.aside-left {
  display: none;
  width: 60%;
  left: 0;
  background-color: #00008B;
  opacity:0.7;
  -webkit-transform: translateY(-100%);
  -moz-transform: translateY(-100%);
  -ms-transform: translateY(-100%);
  -o-transform: translateY(-100%);
  transform: translateY(-100%);
  transition: transform 0.4s ease-in-out;
}

/*.aside-right {
  width: 100%;
  right: 0;
  background-color: #38618c;
  opacity:0.3;
  -webkit-transform: translateX(100%);
  -moz-transform: translateX(100%);
  -ms-transform: translateX(100%);
  -o-transform: translateX(100%);
  transform: translateX(100%);
  transition: transform 0.4s ease-in-out;
}*/

.aside-list {
  list-style: none;
  padding: 0;
  margin: 0;
  margin-top: 150px;
  text-align: left;
  padding-left: 50px;
}

.aside-content {
  margin-top: 150px;
  padding: 0 40px;
  position: relative;
  color: white;
  opacity: 1;
  text-align: center;
}

.aside-list li {
  margin-bottom: 20px;
}

.aside-anchor::after {
  content: "";
  position: absolute;
  bottom: 0;
  background-color: #ff5964;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: 3px;
}

.aside-anchor::before {
  border-radius: 3px;
  content: "";
  position: absolute;
  bottom: 0;
  background-color: #fff;
  left: 0;
  height: 3px;
  z-index: 1;
  width: 50%;
  -webkit-transition: transform 0.2s ease-in-out;
  -o-transition: transform 0.2s ease-in-out;
  transition: transform 0.2s ease-in-out;
}

.aside-anchor:hover:before {
  -webkit-transform: translateX(100%);
  -moz-transform: translateX(100%);
  -ms-transform: translateX(100%);
  -o-transform: translateX(100%);
  transform: translateX(100%);
}

.aside-anchor {
  padding-bottom: 7px;
  color: #fff;
  text-decoration: none;
  font-size: 30px;
  position: relative;
  font-weight: 500;
}

input[type="checkbox"] {
  display: none;
}

input[type="checkbox"]:checked ~ aside .aside-left {
  transform: translateY(0%);
}

input[type="checkbox"]:checked ~ aside .aside-right {
  transform: translateX(0%);
}

input[type="checkbox"]:checked ~ label .bar {
  background-color: #fff;
}

input[type="checkbox"]:checked ~ label .top {
  -webkit-transform: translateY(0px) rotateZ(45deg);
  -moz-transform: translateY(0px) rotateZ(45deg);
  -ms-transform: translateY(0px) rotateZ(45deg);
  -o-transform: translateY(0px) rotateZ(45deg);
  transform: translateY(0px) rotateZ(45deg);
}

input[type="checkbox"]:checked ~ label .bottom {
  -webkit-transform: translateY(-15px) rotateZ(-45deg);
  -moz-transform: translateY(-15px) rotateZ(-45deg);
  -ms-transform: translateY(-15px) rotateZ(-45deg);
  -o-transform: translateY(-15px) rotateZ(-45deg);
  transform: translateY(-15px) rotateZ(-45deg);
}

input[type="checkbox"]:checked ~ label .middle {
  width: 0;
}

.middle {
  margin: 0 auto;
}

label {
  top: 10px;
  display: inline-block;
  padding: 7px 10px;
  background-color: transparent;
  cursor: pointer;
  margin: 10px;
  z-index: 3;
  position: fixed;
}

.bar {
  display: block;
  background-color: #38618c;
  width: 30px;
  height: 3px;
  border-radius: 5px;
  margin: 5px auto;
  transition: background-color 0.4s ease-in, transform 0.4s ease-in,
    width 0.4s ease-in;
}

h1 {
  margin: 0;
  position: relative;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  text-align: center;
  font-size: 30px;
}

h1 span {
  font-size: 20px;
  display: block;
}

p {
  font-size: 30px;
}

.button {
  display: inline-block;
  background-image: none;
  border: none;
  background-color: transparent;
  padding-bottom: 7px;
  position: relative;
  cursor: pointer;
  font-size: 20px;
  color: white;
  padding: 7px 50px;
  border: 2px solid white;
}

@media (min-width: 992px) {
  h1 {
    font-size: 40px;
  }
  .aside-left {
    display: block;
  }

  .aside-right {
    width: 60%;
  }
}