body {
    margin: 0;
    padding: 0;
}

.navogationBar {
    overflow: hidden;
    background-color: rgb(31, 63, 110);
    border-radius: 100px;
    
    /* Thanasis code */
    display: flex;
    justify-content: space-around;
    padding: 0px 10%;
}
  
  .navogationBar a {
    float: left;
    font-size: 25px;
    color:white;
    padding: 14px 16px;
    text-decoration: none;
  }

  .navogationBar a:hover{
    color: black;
  }
  
  .dropdown {
    float: left;
    overflow: hidden;
  }
  
  .dropdown .dropDownMenu {
    font-size: 16px;  
    border: none;
    outline: none;
    color: white;
    padding: 14px 16px;
    background-color: inherit;
    font-family: inherit;
    margin: 0;
  }
  
  .dropdown-content {
    display: none;
    position: absolute;
    background-color: rgb(31, 63, 110);
    min-width: 160px;
    z-index: 1;
    border-bottom-left-radius: 20%;
    border-bottom-right-radius: 20%;
  }
  
  .dropdown-content a {
    margin-left: 25px;
    float: none;
    color: white;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;    
}

  .dropdown:hover .dropdown-content {
    display: block;
  }