.topnav {
    font-family:"Yeseva One";
    position: sticky;
    top: 0;
    overflow: hidden;
    background-color: #4ab4a7;
    border-radius: 10px;
    }

.topnav a {
    float: left;
    display: block;
    color: #000000;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
}

.topnav a:hover {
    background-color: #115e57;
    color: #ffffff;
}

.topnav a.active {
    background-color: #081b3b;
    color: #ffffff;
}

.topnav .icon {
    display: none;
}

/* ********************************************************************* */

@media screen and (max-width: 750px) {
  .topnav a:not(:first-child) {
    display: none;
  }
  
  .topnav a.icon {
    float: right;
    display: block;
  }

  .topnav, .topnav.responsive {
    position: relative;
  }

  .topnav.responsive .icon {
    position: absolute;
    right: 0;
    top: 0;
  }
  .topnav.responsive a {
    float: none;
    display: block;
    text-align: left;
  }

  .topnav.responsive {
    float: none;
  }

  .topnav.responsive {
    position: relative;
  }

  .topnav.responsive {
    display: block;
    width: 100%;
    text-align: left;
  }
}