global.css

body {
    max-width: 800px;
    margin: auto;
    font-family: 'Archivo', sans-serif;
    font-size: 18px;
    padding: 1em;
}

.header {
    padding: 10px;
    /*background: rgb(222, 222, 255);*/
    margin-bottom: 1em;
}
.content {
    margin: 10px 10px;
}

.project {
    padding: 10px 20px 20px;
    background: #f7f4f1;
    border-radius: 5px;
}

.navigation {
    display: flex;
    background: #f7f4f1;
    padding: 7px;
    border-radius: 5px;
}

.nav-button {
    flex: auto;
    text-align: center;
    text-decoration: none;
    font-weight: bold;
    color: black;
}

.video{
    border-radius: 3px;
    margin: 3px;
    text-align: center;
    overflow:hidden;
    padding-bottom:56.25%;
    position:relative;
    height:0;
}
.video iframe{
    left:0;
    top:0;
    height:100%;
    width:100%;
    position:absolute;
}

.description {
    margin: 1em 0.5em;
}

.images {
    display: flex;
    flex-wrap: wrap;
    padding: 5px;
    justify-content: space-evenly;
}

.proj-image {
    width: 600;
    height: 400;
    border-radius: 3px;
}

.responsive {
    float: left;
    width: 24.99999%;
  }
  
  @media only screen and (max-width: 700px) {
    .responsive {
      width: 49.99999%;
    }
  }
  
  @media only screen and (max-width: 500px) {
    .responsive {
      width: 100%;
    }
  }

  div.gallery {
      margin: 3px;
  }
  
  div.gallery:hover {
  }
  
  div.gallery img {
    width: 100%;
    height: auto;
  }

  .clearfix:after {
    content: "";
    display: table;
    clear: both;
  }