nav.grey-background {
  background-color: #EEEEEE;
}
nav {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 5px;
  box-sizing: border-box;
  position: relative;
}
@media only screen and (min-width: 768px) {
  nav {
    padding: 20px;
  }
}
nav .menu-bg {
  width: 100%;
  height: 100%;
  background-color: white;
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
}
nav figure.logo {
  height: 20px;
}
@media only screen and (min-width: 500px) {
  nav figure.logo {
    height: 30px;
  }
}
@media only screen and (min-width: 768px) {
  nav figure.logo {
    height: 35px;
  }
}
@media only screen and (min-width: 1200px) {
  nav figure.logo {
    height: 30px;
  }
}
nav figure.logo img {
  max-height: 100%;
}
@media only screen and (min-width: 1200px) {
  nav figure.logo.big {
    height: 35px;
  }
}
@media only screen and (min-width: 1700px) {
  nav figure.logo.big {
    height: 45px;
  }
}
nav button.menu {
  border: none;
  background-color: transparent;
  position: relative;
  width: 40px;
  height: 20px;
}
@media only screen and (min-width: 500px) {
  nav button.menu {
    width: 60px;
    height: 35px;
  }
}
@media only screen and (min-width: 768px) {
  nav button.menu {
    width: 70px;
  }
}
@media only screen and (min-width: 1200px) {
  nav button.menu {
    display: none;
  }
}
nav button.menu .menu-item {
  width: 100%;
  height: 4px;
  background-color: black;
  position: absolute;
  right: 0;
}
@media only screen and (min-width: 500px) {
  nav button.menu .menu-item {
    height: 6px;
  }
}
@media only screen and (min-width: 768px) {
  nav button.menu .menu-item {
    height: 7px;
  }
}
@media only screen and (min-width: 1200px) {
  nav button.menu .menu-item {
    height: 5px;
  }
}
nav button.menu .menu-item:nth-of-type(1) {
  top: 0;
}
nav button.menu .menu-item:nth-of-type(2) {
  top: 50%;
  transform: translateY(-50%);
}
nav button.menu .menu-item:nth-of-type(3) {
  bottom: 0;
}
nav .navigation-bar {
  display: none;
}
@media only screen and (min-width: 1200px) {
  nav .navigation-bar {
    display: flex;
  }
}
nav .navigation-bar ul.navigation-bar-list {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
}
nav .navigation-bar ul.navigation-bar-list li.navigation-bar-item {
  list-style-type: none;
  font-family: 'Ubuntu', sans-serif;
  font-size: 2rem;
  margin: 0 0 0 20px;
  position: relative;
}
@media only screen and (min-width: 1700px) {
  nav .navigation-bar ul.navigation-bar-list li.navigation-bar-item {
    font-size: 2.3rem;
  }
}
nav .navigation-bar ul.navigation-bar-list li.navigation-bar-item::before {
  content: '';
  width: 20px;
  height: 20px;
  position: absolute;
  top: 50%;
  left: -10%;
  transform: translateY(-50%);
  z-index: -1;
  border-radius: 100%;
  transition: .5s;
  background-color: lightgray;
}
nav .navigation-bar ul.navigation-bar-list li.navigation-bar-item:hover::before {
  width: 120%;
  height: 120%;
  border-radius: 0;
}
nav .navigation-bar ul.navigation-bar-list li.navigation-bar-item a {
  text-decoration: none;
  color: black;
}
nav .navigation-bar ul.navigation-bar-list li.navigation-bar-item a img {
  width: 100px;
}
@media only screen and (min-width: 1700px) {
  nav .navigation-bar ul.navigation-bar-list li.navigation-bar-item a img {
    width: 120px;
  }
}
.navigation_telephone {
  width: 100%;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  background-color: white;
  display: none;
  z-index: 100 !important;
}
.navigation_telephone ul.navigation_telephone-list {
  list-style-type: none;
  padding: 0;
  margin: 0;
  width: 100%;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}
.navigation_telephone ul.navigation_telephone-list li.navigation_telephone-item {
  font-family: 'Oswald', sans-serif;
  text-transform: uppercase;
  text-align: center;
  font-size: 3rem;
  margin: 15px 0px;
  letter-spacing: 5px;
}
@media only screen and (min-width: 500px) {
  .navigation_telephone ul.navigation_telephone-list li.navigation_telephone-item {
    font-size: 4rem;
  }
}
@media only screen and (min-width: 768px) {
  .navigation_telephone ul.navigation_telephone-list li.navigation_telephone-item {
    font-size: 4.5rem;
  }
}
@media only screen and (min-width: 1000px) {
  .navigation_telephone ul.navigation_telephone-list li.navigation_telephone-item {
    font-size: 5rem;
  }
}
.navigation_telephone ul.navigation_telephone-list li.navigation_telephone-item a {
  text-decoration: none;
  color: black;
}