body { padding-top: 56px; }
.left-aligned { margin-left: auto; }
.bg-dark { background-color: #343a40 !important; }
.bg-hero { background-color: #7952b3;}

/* 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; }

/* human practices */
.tab {
  padding: auto 0;
  display: inline-block;
}
.tab a {
  display: inline-block;
  font-size: 1.3em;
  border: none;
  cursor: pointer;
  padding: 5px 10px;
  transition: 0.3s;
  color: black;
}

.tab a:hover {
  background-color: #1A2025;
  color: white;
  text-decoration: none;
}

.tab a.active {
  background-color: white;
  color: black;
}
.tab a.active:hover {
  color: #1A2025;
}
.tabcontent {
  display: none;
}

/* header image */

.cover_home {
  height:60vh;
  background: url("https://static.igem.wiki/teams/4340/wiki/home.png") no-repeat;
  background-size:cover;
  padding: auto 0;
  text-align: center;
}

.cover_team {
  height:60vh;
  background: url("https://static.igem.wiki/teams/4340/wiki/team.png") no-repeat;
  background-size:cover;
  padding: auto 0;
  text-align: center;
}

.cover_partnership {
  height:60vh;
  background: url("https://static.igem.wiki/teams/4340/wiki/partnership123.png") no-repeat;
  background-size:cover;
  padding: auto 0;
  text-align: center;
}

.cover_attribution {
  height:60vh;
  background: url("https://static.igem.wiki/teams/4340/wiki/attribution.png") no-repeat;
  background-size:cover;
  padding: auto 0;
  text-align: center;
}

.cover_collaboration {
  height:60vh;
  background: url("https://static.igem.wiki/teams/4340/wiki/collaboration.png") no-repeat;
  background-size:cover;
  padding: auto 0;
  text-align: center;
}

.cover_communication {
  height:60vh;
  background: url("https://static.igem.wiki/teams/4340/wiki/communication.png") no-repeat;
  background-size:cover;
  padding: auto 0;
  text-align: center;
}

.cover_contribution {
  height:60vh;
  background: url("https://static.igem.wiki/teams/4340/wiki/contribution.png") no-repeat;
  background-size:cover;
  padding: auto 0;
  text-align: center;
}

.cover_description {
  height:60vh;
  background: url("https://static.igem.wiki/teams/4340/wiki/description.png") no-repeat;
  background-size:cover;
  padding: auto 0;
  text-align: center;
}

.cover_model {
  height:60vh;
  background: url("https://static.igem.wiki/teams/4340/wiki/model.png") no-repeat;
  background-size:cover;
  padding: auto 0;
  text-align: center;
}

.cover_engineering {
  height:60vh;
  background: url("https://static.igem.wiki/teams/4340/wiki/engineering.png") no-repeat;
  background-size:cover;
  padding: auto 0;
  text-align: center;
}

.cover_implementation {
  height:60vh;
  background: url("https://static.igem.wiki/teams/4340/wiki/implementation.png") no-repeat;
  background-size:cover;
  padding: auto 0;
  text-align: center;
}

.cover_notebook {
  height:60vh;
  background: url("https://static.igem.wiki/teams/4340/wiki/notebook.png") no-repeat;
  background-size:cover;
  padding: auto 0;
  text-align: center;
}

.cover_proofofconcept {
  height:60vh;
  background: url("https://static.igem.wiki/teams/4340/wiki/proof-of-concept.png") no-repeat;
  background-size:cover;
  padding: auto 0;
  text-align: center;
}

.cover_results {
  height:60vh;
  background: url("https://static.igem.wiki/teams/4340/wiki/result.png") no-repeat;
  background-size:cover;
  padding: auto 0;
  text-align: center;
}

.cover_sustainable {
  height:60vh;
  background: url("https://static.igem.wiki/teams/4340/wiki/sustainable.png") no-repeat;
  background-size:cover;
  padding: auto 0;
  text-align: center;
}

.cover_parts {
  height:60vh;
  background: url("https://static.igem.wiki/teams/4340/wiki/part.png") no-repeat;
  background-size:cover;
  padding: auto 0;
  text-align: center;
}

.cover_improve {
  height:60vh;
  background: url("https://static.igem.wiki/teams/4340/wiki/improve.png") no-repeat;
  background-size:cover;
  padding: auto 0;
  text-align: center;
}

.cover_safety {
  height:60vh;
  background: url("https://static.igem.wiki/teams/4340/wiki/safety.png") no-repeat;
  background-size:cover;
  padding: auto 0; 
  text-align: center;
}

.cover_humanpractice {
  height:60vh;
  background: url("https://static.igem.wiki/teams/4340/wiki/human-practices.png") no-repeat;
  background-size:cover;
  padding: auto 0; 
  text-align: center;
}

.cover_education {
  height:60vh;
  background: url("https://static.igem.wiki/teams/4340/wiki/education.png") no-repeat;
  background-size:cover;
  padding: auto 0; 
  text-align: center;
}

.cover_hardware {
  height:60vh;
  background: url("https://static.igem.wiki/teams/4340/wiki/hardware.png") no-repeat;
  background-size:cover;
  padding: auto 0; 
  text-align: center;
}