* {
  font-family: "Trebuchet MS", "Lucida Sans Unicode", "Lucida Grande",
    "Lucida Sans", Arial, sans-serif;
}
body {
  margin: 0;
}

.topnav {
  position: absolute;
  overflow: hidden;
  background-color: #737373c3;
  z-index: 1;
  width: 100vw;
  display: flex;
  align-items: center;
  position: fixed;
}

.topnav a {
  float: left;
  display: block;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

#first-menu {
  margin-left: 150px;
}

.topnav a:hover {
  color: #f2f2f2;
}

.topnav a.active {
  background-color: #04aa6d;
  color: white;
}

.topnav .icon {
  display: none;
}

.topnav img {
  width: 200px;
  height: auto;
}
.social-icons {
  position: absolute;
  top: 0;
  right: 0;
  padding: 10px 10px 0 0;
  z-index: 2;
}
.social-icons a {
  padding-left: 3px;
}

.social-icons img {
  width: 25px;
  height: auto;
}

footer {
  background-color: #333;
  color: white;
  padding: 0.3rem 0 0.3rem 0;
  text-align: center;

  a {
    color: white;
  }
}

@media screen and (max-width: 768px) {
  .topnav a:not(:first-child) {
    display: none;
  }
  .topnav a.icon {
    position: absolute;
    float: right;
    display: block;
    right: 0;
    top: 55%;
  }
}

@media screen and (max-width: 768px) {
  #first-menu {
    margin-left: 0;
  }
  .topnav.responsive {
    display: block;
    position: absolute;
    z-index: 1;
    width: 100vw;
    background-color: #737373;
  }
  .topnav.responsive .icon {
    position: absolute;
    right: 0;
    top: 16%;
  }
  .topnav.responsive a {
    float: none;
    display: block;
    text-align: left;
  }

  #bars {
    display: block;
  }
  .responsive #bars {
    display: none;
  }
  #xmark {
    display: none;
  }

  .responsive #xmark {
    display: block;
  }

  footer {
    background-color: #333;
    padding: 20px 0;
    text-align: center;
    z-index: 1000;
    width: 100vw;
  }
}
