.navbar {
    margin-bottom: 0;
}

.jumbotron {
    height: 20vh;
    background-image: url('../assets/rainbow.jpg');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    width: 100vw;
}

.jumbotron h1,
.jumbotron h2 {
    color: #000;
}

.content-section-b {
    background-color: #eee;
}

footer {
    background-color: #f8f8f8;
    border: 1px solid #e7e7e7;
    border-radius: 4px;
    padding: 15px;
}

/* Three image containers (use 25% for four, and 50% for two, etc) */
.column {
  float: left;
  width: 33%;
  padding: 5px;
  font-size: large;
}

.doublecolumn {
  float: left;
  width: 66%;
  padding: 5px;
  font-size: large;
  text-align: justify;
}

.fullcolumn {
  float: left;
  width: 100%;
  padding: 5px;
  font-size: large;
  text-align: justify;
}

/* Clear floats after image containers */
.row::after {
  content: "";
  clear: both;
  display: table;
}

.center {
  margin-left: 50px;
  margin-right: 50px;
  height: 250px;
}

#projects {
    margin-top: 90px;

}

.timeline-image {
  vertical-align: unset;
  display: inline-block;
  vertical-align: top;
  margin-top: 5px;
}

.timeline-text {
  display: inline-block;
  margin-left: 15px;
}

section {
  margin-top: 30px;
  margin-bottom: 30px;
}

.timeline-item {
  margin-top: 20px;
}
.timeline-text {
         max-width: 90%;
}

@media screen and (max-width: 768px) {
         body {
           width: 100%;
         }
	.column {
	  float: unset;
          width: 100%;
          text-align: center;
	}
        .center {
          display: inline-block;

          margin: 0 0 15px 0;
        }
        .navbar-toggle {
          margin-right: 15px;
        }
        .doublecolumn {
          width: 100%;
          padding: 14px;
	}
        .section-heading {
          padding: 0 8px;
        }
        .pub-item{
          padding: 0 8px;
        }
        .teaching-text{
          padding: 8px;
        }
        .teaching-item{
          padding-right: 8px;
        }

        .timeline-image {
          width: 35px;
          height: 35px;
         }
        .timeline-item {
          width: 100%;

        }
        .timeline-text {
          width: 260px;
          text-align: left;
         }
}