styles.css

body {
    margin: 0;
    padding 0;
}

body2 {
    max-width: 1920px;
    margin: 0 auto !important;
    float: none !important;
}

.nav {
    background-color: #404040;
    align-items: center;
    color: #ffffff
    list-style: none;
    text-align: center;
    padding: 20px 0 20px 0;
}

.nav > li {
    display: inline-block;
    padding-right: 45px;
    padding-top: 5px;
}

.nav > li > a{
    text-decoration: none;
    color: #ffffff;
}

.nav > li > a:hover {
    color: #c1c1c1;
}

/* https://stackoverflow.com/questions/4296012/hide-div-if-screen-is-smaller-than-a-certain-width */
@media screen and (max-width: 975px) {
    .navbar {
        display: none !important;
    }
}

/* https://stackoverflow.com/questions/4296012/hide-div-if-screen-is-smaller-than-a-certain-width */
@media screen and (min-width: 975px) {
    .topnav {
        display: none !important;
    }
}

/* https://www.w3schools.com/css/css3_flexbox.asp */
.flex-container {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  margin: auto;
  padding-top:60px;
  max-width: 1300px;
}

.col-md-12{
    margin-top: 30px;
    margin-bottom: 30px;
    margin-left: 30px;
    margin-right: 30px;
    color: #ffffff
}

.footer {
   position: fixed;
   left: 0;
   bottom: 0;
   width: 100%;
   background-color: white;
   color: black;
   text-align: center;
   margin-top: 45px;
   padding-bottom: 5px;
}

.iframe-container{
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  margin-bottom: 30px;
  height: 0;

}
.iframe-container iframe{
  position: absolute;
  top:0;
  left: 0;
  width: 100%;
  height: 100%;
  margin-bottom: 30px;
  padding-bottom: 2%;
  padding-right: 15px;
  padding-left: 15px;
}


p {
    font-size: min(3vw, 18px);
    margin-bottom: 0px;
    padding-right: 10px;
    padding-left: 15px;
}

h3 {
    font-size: min(3vw, 18px);
    padding-right: 15px;
    padding-left: 15px;
}

div {

}

img{
    margin-bottom: 40px;
    padding-bottom: 10px;
}


/* Style the navigation menu */
.topnav {
  overflow: hidden;
  background-color: #333;
  position: relative;
}

/* Hide the links inside the navigation menu (except for logo/home) */
.topnav #myLinks {
  display: none;
}

/* Style navigation menu links */
.topnav a {
  color: white;
  padding: 4px 4px;
  text-decoration: none;
  font-size: 14px;
  display: block;
}

/* Style the hamburger menu */
.topnav a.icon {
  background: #404040;
  display: block;
  position: absolute;
  right: 0;
  top: 0;
}

/* Add a grey background color on mouse-over */
.topnav a:hover {
  background-color: #404040;
  color: black;
}

/* Style the active link (or home/logo) */
.active {
  background-color: #404040;
  color: white;
}