* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  --nav_height: 70px;
  --nav_color: rgb(206, 197, 197);
  --nav_ul_color: aqua;
  --nav_btn_color: rgb(98, 98, 226);
}

header {
  z-index: 99;
  padding: 0;
  position: sticky;
  top: 0;
}

header nav {
  padding: 0;
  margin: 0;
  width: 100%;
  height: auto;
  display: flex;
  justify-content: space-between;
  flex-direction: row;
  background-color: var(--nav_color);
}

header nav section:first-child {
  padding: 0;
  margin: 0;
  height: var(--nav_height);
}

header nav section img {
  width: 80px;
  height: var(--nav_height);
  margin: 0 10px;
}

header nav section div img {
  margin-top: 10px;
  width: 40px;
  height: calc(var(--nav_height) - 20px);
  margin-right: 10px;
  cursor: pointer;
}

header nav section div img.active {
  border: 3px solid black;
  border-radius: 5px;
  background-color: white;
}

header nav section:nth-child(2) {
  padding: 0px;
  margin: 0px;
  height: auto;
}

header nav section ul {
  padding: 0;
  margin: 0;
  width: 100%;
  background-color: var(--nav_ul_color);
  transition: 1.6s ease-in-out;
  display: none;
  padding-bottom: 2vh;
}

header nav section ul.active {
  position: absolute;
  top: 70px;
  left: 0;
  display: block;
  transition: 1.6s ease-in-out;
}

header nav section ul li {
  font-weight: 800;
  font-family: sans-serif;
  cursor: pointer;
  line-height: 40px;
  margin-left: 20px;
  list-style-type: none;
  position: relative;
}

header nav section ul li:hover {
  background-color: white;
  transition: 0.7s;
}
header nav section ul li:hover a {
  color: black;
}

header nav section ul li::before {
  position: absolute;
  content: '';
  width: 15px;
  height: 4px;
  bottom: -4px;
  left: 8px;
  background-color: var(--nav_color);
  border-radius: 6px;
}

header nav section ul li::after {
  position: absolute;
  content: '';
  width: 20px;
  height: 4px;
  bottom: 2px;
  left: 8px;
  background-color: var(--nav_color);
  border-radius: 6px;
}

header nav section ul li a {
  text-decoration: none;
  color: white;
  width: 100%;
  height: 100%;
  padding: 2px 8px;
  border-radius: 5px;
}



footer {
  z-index: 99;
  width: 100%;
  height: auto;
  padding: 10px;
  background-color: var(--nav_color);
}

footer img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid white;
}

footer a {
  text-decoration: none;
  color: black;
}

footer section:last-child {
  line-height: 35px;
}

footer a:hover {
  background-color: white;
  color: black;
}

footer p:last-child {
  line-height: 33px;
  text-align: center;
}


@media screen and (max-width:600px) {
  footer {
    text-align: center;
  }
  footer img {
    width: 80px;
    height: 80px;
    margin-bottom: 1vh;
  }

}