/* Wrap */
@media
 only screen and (max-width: 38em) {
  div.flex-row {
    flex-wrap: wrap;
  }
  div.flex-card {
    width: 96%;
  }
}

/* Create a row */
div.flex-row {
    display: flex;
    flex-direction: row;
    margin-top: 1rem;
    margin-bottom: 1rem;
}

/* Create a column (not cards) */

div.flex-col {
    margin-left: 1rem;
    margin-right: 1rem;
    width: 46%;
}

/* Add shadows to create the "card" effect */
div.flex-card {
    margin-left: 1rem;
    margin-right: 1rem;
    width: 46%;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
    transition: 0.3s;
}

/* On mouse-over, add a deeper shadow */
div.flex-card:hover {
    box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2);
}

/* Add some padding inside the card container */
div.flex-card-container {
    padding: 2px 16px;
}

/* Show a table with no extra space */
table.slim {
    width: auto;
}

/* Footer */
footer {
    border-top: solid 1px gray;
}

/* Citations and abstracts */
p.bib {
    background-color: #F8F8F8;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}

blockquote.abstract {
    border-left: 0.5rem #F8F8F8;
}

/* Page titles */
.page-title {
    text-align: center;
}

/* Page navigation */
.page-navigation {
  font-size: 14px;
  display: block;
  width: auto;
  overflow: hidden;
}

.page-navigation a {
  display: block;
  width: 50%;
  float: left;
  margin: 1em 0;
}

.page-navigation .next {
  text-align: right;
}