* {
  padding: 0;
  margin: 0;
  outline: none;
  border: none;
  list-style-type: none;
  text-decoration: none;
}

h1 { text-align:center; margin:30px auto;}

body { font-family: Calibri, sans-serif; }

span#shadowbox {
  position: absolute;
  transition: ease-in-out .5s;
}

span#shadowbox.visible {
  transition: ease-in-out .5s;
  background: rgba(0,0,0,.7);
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}

nav {
  position: absolute;
  top: 0;
  bottom: 0;
}

nav button {
  position: relative;
  background: #043D68;
  width: 48px;
  height: 48px;
  padding: 8px;
  left: 0px;
  cursor: pointer;
  transition: ease-in-out .3s;
}

nav button div {
  background: #fff;
  width: 100%;
  height: 5px;
  margin: 5px 0 0;
  float: left;
  border-radius: 9px;
  transition: ease-in-out .12s;
}

nav button div:nth-child(3) { margin: -5px 0 0 0; }

nav button div:first-child { margin: 0; }

nav button.navOpen {
  left: 250px;
  background: #f33;
  transition: ease-in-out .3s;
}

nav button.navOpen div {
  width: 100%;
  margin: 0;
  transition: ease-in-out .3s;
}

nav button.navOpen div:nth-child(1), nav button.navOpen div:nth-child(4) { background: transparent; }

nav button.navOpen div:nth-child(2) { transform: rotate(45deg); }

nav button.navOpen div:nth-child(3) {
  margin: -5px 0 0 0;
  transform: rotate(-45deg);
}

nav ul#listMenu {
  position: absolute;
  background: #006699;
  width: 250px;
  top: 0;
  bottom: 0;
  left: -250px;
  overflow: auto;
  box-shadow: 0 0 10px 0px rgba(0,0,0,0);
  transition: ease-in-out .3s;
}

nav ul#listMenu.listOpen {
  left: 0px;
  box-shadow: 0 0 10px 0px rgba(0,0,0,.5);
  transition: ease-in-out .3s;
}

nav ul#listMenu li {
  width: 100%;
  padding: 0 20px;
  float: left;
  box-sizing: border-box;
}

nav ul#listMenu li a {
  width: 100%;
  color: #fff;
  padding: 20px 10px 10px 10px;
  border-bottom: 1px solid #fff;
  float: left;
  box-sizing: border-box;
}

nav ul#listMenu li:last-child a { border: none; }