body { padding-top: 56px; }
.left-aligned { margin-left: auto; }
.bg-dark { background-color: #756b6b !important; }
.bg-hero { 
  background-image: url('https://static.igem.wiki/teams/4436/wiki/website-background.jpg');
  background-repeat: no-repeat;
  background-attachment: fixed;  
  background-size: cover;
  width: 100%;
  }

/* CALLOUT */
.bd-callout { padding:1.25rem; margin-top:1.25rem; margin-bottom:1.25rem; border:1px solid #e9ecef; border-left-width:.25rem; border-radius:.25rem }
.bd-callout h4 { margin-bottom:.25rem }
.bd-callout p:last-child { margin-bottom:0 }
.bd-callout code { border-radius:.25rem }
.bd-callout+.bd-callout { margin-top:-.25rem }
.bd-callout-info { border-left-color:#5bc0de }
.bd-callout-warning { border-left-color:#f0ad4e }
.bd-callout-danger { border-left-color:#d9534f }

/* footer */
footer a { color: white; font-weight: bold; text-decoration: none; }
footer a:hover { color: white; text-decoration: underline; }

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

* {
  box-sizing: border-box;
}

.column {
  float: left;
  width: 10%;
  padding: 5px;
}

/* 
.row {
  content: "";
  clear: both;
  display: table;
}