body { font-family: "Lato", sans-serif;
      background-color:lightblue;
      opacity: 0.9} 
.mySlides {display: none}

/*css za navbar */
* {box-sizing: border-box;}

/* body { 
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
 
} */

#navbar {
  <!--overflow: hidden;-->
  background-color: rgb(255,255,255);
  padding: 5px;
  transition: 0.4s;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 99;
  font-weight: bold;
}

#navbar a {
  float: left;
  color: black;
  text-align: left;
  padding: 6px;
  text-decoration: none;
  font-size: 14px; 
  line-height: 25px;
  border-radius: 4px;
}

#navbar #logo {
  font-size: 35px;
  font-weight: bold;
  transition: 0.4s;
}

#navbar a:hover {
  background-color: #ddd;
  color: black;
}

#navbar a.active {
  background-color: grey;
  color: white;
}

#navbar-right {
  float: right;
}

@media screen and (max-width: 580px) {
  #navbar {
    padding: 20px 10px !important;
  }
  #navbar a {
    float: none;
    display: block;
    text-align: left;
  }
  #navbar-right {
    float: none;
  }
  #navDemo {
   font-weight: bold;
  }
}
/* kraj css za navbar */
/* pocetak css za footer */
ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  width: 200px;
  background-color: #f1f1f1; 
<!--dodato -->     
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

li a {
  display: block;
  color: #000;
  padding: 8px 16px;
  text-decoration: none;

}

/* Change the link color on hover */
li a:hover {
  background-color: #555;
  color: white;
}
/* pocetak css za footer */