.main-navigation {
  position: fixed;
  top: 75px;
  bottom: 15px;
  left: 10px;

  z-index: 1;

  width: 0px;
  box-shadow: 0 2px 5px var(--color-shadow);

  overflow-x: hidden;
  /* padding-right: 20px; */

  transition-property: width;
  transition-timing-function: linear;
  transition-duration: 0.08s;

  /* padding: 10px; */

  /* border: 1px solid var(--color-content-transparent); */
  background-color: var(--color-secondary);
  border-radius: 5px;
}

/*** not mobile devices ***/
@media (min-width: 1100px) {
  #sideNavigationButton {
    display: none;
  }
  .main-navigation {
    min-width: 270px;
    /* background-color: var(--color-primary); */
    background-color: var(--color-secondary);
    box-shadow: 0 0.5px 1.5px var(--color-shadow);
  }

  .main-navigation a:hover {
    color: var(--color-content);
    background-color: var(--color-hover);
    /* border-radius: 5px; */
  }
}

.main-navigation a {
  color: var(--color-inactive);
  text-align: left;
  padding: 15px 15px;
  text-decoration: none;
  display: block;
}

.main-navigation a:hover {
  color: var(--color-content);
  background-color: var(--color-hover);
  /* border-radius: 5px; */
}

/* .nav-header {
  font-weight: bold;
  margin-left: 5px;
  margin-right: 5px;
  padding: 20px;
  padding-left: 15px;
  border-bottom: 1px solid var(--color-content-transparent);
  color: var(--color-accent);
} */

/* .sideNavigationButton > .material-icons {
  position: absolute;
  bottom: 7px;
  left: 4px;
} */

.navigationElement {
  display: inline-block;
  position: relative; /* Ensure positioning works */
  padding-right: 40px; /* Space for the icon */
}

.navigationElement::after {
  content: "";
  position: absolute;
  right: 10px;
  width: 20px;
  height: 20px;
  background-image: url("../static/expand_dark.svg");
  background-repeat: no-repeat;
  background-size: contain;
  transform: rotate(90deg);
}

.navigationElement.active::after {
  transform: rotate(180deg);
}

.navigationElement.active {
  color: var(--color-content);
  font-weight: bold;
}


.subNavigationElement {
  white-space: nowrap;
  text-decoration: none;
  display: block;
  border-left: 1px solid var(--color-content-transparent);
  color: var(--color-content)!important;
  margin-left: 25px;
}

.subNavigationElement.active {
  font-weight:normal;
  border-left: 1px solid var(--color-content);
  color: var(--color-content);
}