.cf:before,
.cf:after {
  content: " ";
  /* 1 */
  display: table;
  /* 2 */
}

.cf:after {
  clear: both;
}

.cf {
  *zoom: 1;
}

/* html, body */
*, *:before, *:after {
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

body {
  font-size: 100%;
  font-family: 'PT Sans', sans-serif;
  background-color: #f3f3f3;
  margin-left: 40px;
  margin-top: 60px;
  }

/* text */
.left {
  text-align: left;
}

.center {
  text-align: center;
}

.right {
  text-align: right;
}

.justify {
  text-align: justify;
}

.uppercase {
  text-transform: uppercase;
}

/* padding / margin */
.padding1rem {
  padding: 1rem;
}

.paddingRight2rem {
  padding: 1rem 4rem 0 0;
}

/* links */
a {
  color: white;
}

/* headlines */
/* Fonts */
i {
  color: #d1d4d9;
  margin: 0 1rem 0 0;
}

/* layout */
.container {
  max-width: 100%;
  margin: 0 auto;
  overflow: hidden;
  }

.floatLeft {
  float: left;
}

.floatRight {
  float: right;
}

.posAbs {
  position: absolute;
}

.third {
  width: 33.3333%;
}

.half {
  width: 50%;
}

.twoThird {
  width: 66.6666%;
}

.quarter {
  width: 25%;
}

label {
  cursor: pointer;
  border-right: 1px solid #d1d4d9;
  display: block;
  height:4rem;
  width: 4rem;
  position: relative;
}
label span {
  border-radius: 15%;
  height: 3px;
  width: 32px;
  background-color: white;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translateY(-50%) translateX(-50%);
  transition: all 0.3s ease-out;
}
label span:before {
  border-radius: 15%;
  position: absolute;
  content: "";
  height: 100%;
  width: 100%;
  background-color: white;
  top: 400%;
  transition: all 0.3s ease-out;
}
label span:after {
  border-radius: 15%;
  position: absolute;
  content: "";
  height: 100%;
  width: 100%;
  background-color: white;
  top: -400%;
  transition: all 0.3s ease-out;
}

label:hover span {
  height: 0;
  transition: all 0.3s ease-out;
}
label:hover span:before {
  height: 3px;
  transform: rotate(-45deg);
  transition: all 0.3s ease-out;
}
label:hover span:after {
  height: 3px;
  transform: rotate(45deg);
  transition: all 0.3s ease-out;
}

.bar {
  color: #d1d4d9;
  background-color: #4a4e54;
  line-height: 3rem;
  border: 1px solid grey;
  position: fixed;
  width: 100%;
  top: 0;
  }

nav {
  border-left: 0px solid #d1d4d9;
  border-right: 0px solid #d1d4d9;
  border-bottom: 0px solid #d1d4d9;
  max-width: 230px;
  background-color: white;
  transform: translateX(-100%) scale(1, 0.1);
  transform-origin: top left;
  transition: all 0.3s ease-out;
  position: fixed;
}
nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
nav ul li {
  border-top: 1px #efefef;
  opacity: 0;
  transform: translateX(-100%);
  transition: all 0.6s ease-out;
}
nav ul li a {
  transition: all 0.3s ease-out;
  line-height: 1rem;
  text-decoration: none;
  color: #8a8d92;
  display: block;
  padding: 1rem;
}
nav ul li:first-child {
  border-top: none;
}
nav ul li:hover a {
  color: white;
  background-color: #6d747e;
  transition: all 0.3s ease-out;
}
nav ul li:hover a i {
  color: white;
}

.navBtn:checked ~ nav {
  transform: translateX(0);
  transition: all 0.3s ease-out;
}

.navBtn:checked ~ nav ul li {
  opacity: 1;
  transform: translateX(0);
  transition: all 0.6s ease-out;
}

.navBtn {
  display: none;
}