:root {
  --main-border-color: #0085a1;
  --main-bg-color: #eee;
  --nav-bg-color: #eee;
  --main-text-color: black;
  --headings-color: #0085a1
}

body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--main-text-color);
  background-color: var(--main-bg-color);
}

header {
  color: #eee;
}

nav {
  position: sticky;
  background: var(--nav-bg-color);
  top: 0;
  height: 50px;
}

nav ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
  overflow: hidden;
}

nav li {
  float: left;
}

nav li a {
  display: block;
  text-align: center;
  padding: 16px;
  text-decoration: none;
  color: var(--headings-color);
}

h1 {
  font-size: 6rem;
}


#welcome-section {
  background: url("galaxy-blank.png") var(--main-bg-color);
  background-size: 100% 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100vh;
  text-align: center;
}

#welcome-section p {
  font-size: 3rem;
}

.small {
  max-width: 5vw;
  margin: 15px auto;
  border-top: 4px solid #eeeeee;
  height: 0;
}

h2 {
  color: var(--headings-color);
  text-align: center;
}

.project-tile {
  border: 3px dotted var(--main-border-color);
  border-radius: 25px;
  text-align: center;
  margin-bottom: 10px;
  padding: 5px;
}

.video-responsive{
  overflow:hidden;
  padding-bottom:56.25%;
  position:relative;
  height:0;
  margin: 0 5px;
}
.video-responsive iframe{
  left:0;
  top:0;
  height:100%;
  width:100%;
  position:absolute;
}

.project-tile a {
  display: inline-block;
  text-align: center;
  padding: 10px;
  color: var(--headings-color);
}


footer {
  text-align: center;
  width: 100%;
}

footer ul {
  list-style-type: none;
  padding: 10px;
}

#logo {
  height: 50px;
}

@media (min-width: 600px) {

  #projects {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    align-content: space-between;
    width: 100%;
  }
  .project-tile {
    max-width: 48%;
    flex: auto;
  }
  /*.project-tile iframe {*/
  /*  max-width: available !important;*/
  /*}*/

}