body {
  margin: 0;
}

header{
  position: sticky;
  position: -webkit-sticky;
  top: 0;
  z-index: 999;
}

header img{
  height: 100%;
  width: 30vh;
}

ul.topnav {
  background-color: var(--main-1);
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  position: -webkit-sticky; /* Safari */
  position: sticky;
  top: 0;
}

ul.topnav li {float: left;}

.nav-content {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
}

ul.topnav li.icon {
  display: none;
}

ul.topnav li a {
  display: block;
  padding: 0vh 1vh 0vh 1vh;
  height: 10vh;
  color: white;
  text-decoration: none;
  text-align: center;
}

.nav-content {
  margin: 0;
  top: 50%;
}

ul.topnav li a:hover:not(.active):not(.logo) {background-color: var(--main-2);}

ul.topnav li a.active {background-color: var(--main-2);}

ul.topnav li.right {float: right;}

@media screen and (max-width: 600px) {
  ul.topnav li:not(:first-child) {display: none;}
  ul.topnav li.icon {
    float: right;
    display: block;
  }
}

@media screen and (max-width: 600px) {
  ul.topnav.responsive {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    max-height: 100vh;
    overflow-y: auto;
  }
  ul.topnav.responsive li.icon {
    position: absolute;
    right: 0;
    top: 0;
  }
  ul.topnav.responsive li {
    float: none;
    display: block;
    text-align: left;
  }
}

footer{
  box-sizing: border-box;
  background-color: var(--main-1);
  height: 5vh;
  width: 100%;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  align-content: center;
  padding-left: 4vw;
  padding-right: 4vw;
  bottom: 0px;
  position: fixed;
}

#copyright{
  padding-top: 1.5vh;
  font-weight: bold;
  font-size: 2vh;
  text-align: center;
  color: white;
}