#cssmenu {
 position: absolute;
    margin: 0;
    font-family: 'Yanone Kaffeesatz', sans-serif;
    line-height: 1;
    width: 250px;
    z-index: 99;
}
.align-right {
  float: right;
}
#cssmenu ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: block;
}
#cssmenu ul li {
  position: relative;
  margin: 0;
  padding: 0;
}
#cssmenu ul li a {
  text-decoration: none;
  cursor: pointer;
}
#cssmenu > ul > li > a {
  color: #F7F8FA;
  display: block;
  padding: 10px;
  border-top: 1px solid #000000;
  border-left: 1px solid #000000;
  border-right: 1px solid #000000;
  background: #113F6C;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
  letter-spacing: 1px;
  font-size: 16px;
  font-weight: 300;
  -webkit-transition: all 0.25s ease-in;
  -moz-transition: all 0.25s ease-in;
  -ms-transition: all 0.25s ease-in;
  -o-transition: all 0.25s ease-in;
  transition: all 0.25s ease-in;
  position: relative;
}
#cssmenu > ul > li:first-child > a {
  border-top-left-radius: 3px;
  border-top-right-radius: 3px;
}
#cssmenu > ul > li:last-child > a {
  border-bottom-left-radius: 3px;
  border-bottom-right-radius: 3px;
  border-bottom: 1px solid #000000;
}
#cssmenu > ul > li:hover > a,
#cssmenu > ul > li.open > a,
#cssmenu > ul > li.active > a {
  background: #113F6C;
  color: #ffffff;
}

#cssmenu > ul > li:hover > a,

#cssmenu > ul > li.active > a {
  background: #00B5F1;
  color: #ffffff;
}
#cssmenu ul > li.has-sub > a::after {
  content: "";
  position: absolute;
  display: block;
  width: 0;
  height: 0;
  border-top: 13px solid #113F6C;
  border-botom: 13px solid transparent;
  border-left: 125px solid transparent;
  border-right: 125px solid transparent;
  left: 0;
  bottom: -13px;
  bottom: 0px;
  z-index: 1;
  opacity: 0;
  -webkit-transition: all .2s ease;
  -moz-transition: all .2s ease;
  -ms-transition: all .2s ease;
  -o-transition: all .2s ease;
  transition: all .2s ease;
}
#cssmenu ul > li.has-sub > a::before {
  content: "";
  position: absolute;
  display: block;
  width: 0;
  height: 0;
  border-top: 13px solid #113F6C;
  border-botom: 13px solid transparent;
  border-left: 125px solid transparent;
  border-right: 125px solid transparent;
  left: 0;
  bottom: -12px;
  bottom: -1px;
  z-index: 3;
  opacity: 0;
  -webkit-transition: all .2s ease;
  -moz-transition: all .2s ease;
  -ms-transition: all .2s ease;
  -o-transition: all .2s ease;
  transition: all .2s ease;
}
#cssmenu ul > li.has-sub::after {
  content: "";
  display: block;
  position: absolute;
  width: 0;
  height: 0;
  border: 7px solid transparent;
  border-top-color: #dddddd;
  z-index: 2;
  right: 20px;
  top: 24.5px;
  pointer-events: none;
}
#cssmenu ul > li:hover::after,
#cssmenu ul > li.active::after,
#cssmenu ul > li.open::after {
  border-top-color: #ffffff;
}
#cssmenu ul > li.has-sub.open > a::after {
  opacity: 1;
  bottom: -13px;
}
#cssmenu ul > li.has-sub.open > a::before {
  opacity: 1;
  bottom: -12px;
}
#cssmenu ul ul {
  display: none;
}
#cssmenu ul ul li {
  border-left: 1px solid #ccc;
  border-right: 1px solid #ccc;
}
#cssmenu ul ul li a {
 	background: #FBCB43;
    display: block;
    position: relative;
    font-size: 15px;
    padding: 14px 20px;
    border-bottom: 1px solid #113F6C;
    color: #000;
  font-weight: 400;
  -webkit-transition: all 0.25s ease-in;
  -moz-transition: all 0.25s ease-in;
  -ms-transition: all 0.25s ease-in;
  -o-transition: all 0.25s ease-in;
  transition: all 0.25s ease-in;
}
#cssmenu ul ul li:first-child > a {
  padding-top: 18px;
}
#cssmenu ul ul ul li {
  border: 0;
}
#cssmenu ul ul li:hover > a,
#cssmenu ul ul li.open > a,
#cssmenu ul ul li.active > a {
  background:#EEE;
  color: #666666;
}
#cssmenu ul ul > li.has-sub > a::after {
  border-top: 13px solid #dddddd;
}
#cssmenu ul ul > li.has-sub > a::before {
  border-top: 13px solid #e4e4e4;
}
#cssmenu ul ul ul li a {
  padding-left: 30px;
}
#cssmenu ul ul > li.has-sub::after {
  top: 18.5px;
  border-width: 6px;
  border-top-color: #777777;
}
#cssmenu ul ul > li:hover::after,
#cssmenu ul ul > li.active::after,
#cssmenu ul ul > li.open::after {
  border-top-color: #666666;
}


.perspective {
  -webkit-perspective: 76em;
  perspective: 76em;
  -webkit-perspective-origin: 50% 50px;
  perspective-origin: 50% 50px;
  width: 346px;
  margin: 0 auto;
  font-weight: 100;
  color: #fff;
  
}

input { display: none; }

.tab {
  position: absolute;
  width: 80px;
  height: 70px;
  background: pink;
  right: 0;
  line-height: 70px;
  font-weight: 300;
}

.tab:nth-child(1) {
  top: -5px;
  background: #06D6A0;
      position: absolute;
    z-index: 99999;
}

.tab:nth-child(2) {
  top: 69px;
  background: #1B9AAA;
      position: absolute;
    z-index: 99999;
}

.tab:nth-child(3) {
  top: 143px;
  background: #EF476F;
      position: absolute;
    z-index: 99999;
}

.cube {
  position: relative;
  margin: 0px auto 0;
  width: 300px;
  height: 210px;
  -webkit-transform-origin: 0 100px;
  -ms-transform-origin: 0 100px;
  transform-origin: 0 100px;
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
  -webkit-transition: -webkit-transform 0.5s ease-in;
  transition: transform 0.5s ease-in;
}

.tab-content {
  width: 300px;
  height: 210px;
  position: absolute;
}

.tab-content h1 {
  font-size: 25px;
  margin: 75px 0 10px;
  font-weight: 300;
}

.tab-content p { font-size: 12px; }

.tab-content:nth-child(2) {
  -webkit-transform: translateZ(100px);
  transform: translateZ(100px);
  background: #1B9AAA;
}

.tab-content:nth-child(1) {
  -webkit-transform: rotateX(-270deg) translateY(-100px);
  transform: rotateX(-270deg) translateY(-100px);
  -webkit-transform-origin: top left;
  -ms-transform-origin: top left;
  transform-origin: top left;
  background: #06D6A0;
}

.tab-content:nth-child(3) {
  -webkit-transform: rotateX(-90deg) translateY(100px);
  transform: rotateX(-90deg) translateY(100px);
  -webkit-transform-origin: bottom center;
  -ms-transform-origin: bottom center;
  transform-origin: bottom center;
  background: #EF476F;
}

#tab-one:checked ~ .cube {
  -webkit-transform: rotateX(-90deg);
  transform: rotateX(-90deg);
}

#tab-two:checked ~ .cube {
  -webkit-transform: rotateX(0deg);
  transform: rotateX(0deg);
}

#tab-three:checked ~ .cube {
  -webkit-transform: rotateX(90deg);
  transform: rotateX(90deg);
}