.header{
  background: linear-gradient(to top, #3b709f97, #3b709f97), url("https://static.igem.wiki/teams/5311/header-videos/results.webp") no-repeat center/cover;
}

/*collapsible*/
.collapsible {
    font-family: 'Epilogue', sans-serif;
    background-color: #3b719f;
    color: white;
    cursor: pointer;
    padding: 18px;
    width: 100%;
    border: none;
    text-align: left;
    outline: none;
    font-size: 15px;
    border-radius: 5px;
  }
  
.collapsible:hover {
    background-color: #5a8dc1;
  }
  
.collapsible:after {
    content: '\002B';
    color: #efebdf;
    font-weight: bold;
    float: right;
    margin-left: 5px;
  }
  
.collapsible.active:after {
    content: "\2212";
  }
  
.content {
    padding: 0 18px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-out;
    background-color: #efebdf;
  }

.active + .content {
    padding: 18px 18px; 
    border-radius: 5px;
}

/*Nice table*/

#nice-table {
    border-collapse: collapse;
    width: 100%;
    border-radius: 10px;
    overflow: hidden;
    border: 2px solid white;
  }
  
#nice-table td, #nice-table th {
    border: 2px solid white;
    padding: 8px;
  }
  
#nice-table tr:nth-child(even){background-color: #5e7de211;}
  
#nice-table tr:hover {background-color:#efebdf80;}
  
#nice-table th {
    padding-top: 12px;
    padding-bottom: 12px;
    text-align: left;
    background-color:  #5E7CE2;
    opacity:0.8;
    color: white;
  }
#nice-table td:last-child,
#nice-table th:last-child {
      width: 20%; 
  }

/* Responsive adjustments */
@media (max-width: 768px) {
    #nice-table td, #nice-table th {
        padding: 6px;
        font-size: 14px; 
    }

    #nice-table th {
        padding-top: 10px;
        padding-bottom: 10px;
    }
}

@media (max-width: 480px) {
    #nice-table td, #nice-table th {
        padding: 4px; 
        font-size: 12px; /
    }

    #nice-table th {
        padding-top: 8px;
        padding-bottom: 8px;
    }
}
.image-center-big-footer {
  text-align: center;
  font-size: 0.9em;
  color: #555; 
  margin-top: 8px;
  font-style:italic;
}
.image-center{
  height:300px;
  padding-right:10px;
  text-align: center;
}
.image-center-big{
  height:300px;
  padding-right:10px;
  text-align: center;
}

.image-center img, .image-center-big img{
  object-fit: contain;
  width: 100%;
  height: 100%;
}

/*fraction*/
.fraction {
  display: inline-block;
  text-align: center;
}
.numerator {
  display: block;
}
.denominator {
  display: block;
  border-top: 1px solid;
}
/*Arrow*/
.arrow ul {
  list-style-type: "\2192";
  padding: 20px;
  justify-content: center;
  margin: 0;
}

.arrow li {
  margin-bottom: 15px;
  padding-left: 10px;
}