.container {
  width: 90%;
  margin-top: 1em;
}
#accordion .panel {
  border-radius: 0;
  border: 0;
  margin-top: 0px;
}
#accordion a {
  display: block;
  padding: 10px 15px;
  border-bottom: 1px solid #ececec;
  text-decoration: none;
  font-size:1em; 
  font-weight:600;    
}
#accordion .panel-heading a.collapsed:hover,
#accordion .panel-heading a.collapsed:focus {
  background-color: #ececec;
  color: #6d757d;
  transition: all 0.2s ease-in;
}
#accordion .panel-heading a.collapsed:hover::before,
#accordion .panel-heading a.collapsed:focus::before {
  color: #6d757d;
}
#accordion .panel-heading {
  padding: 0;
  border-radius: 0px;
  text-align: center;
}
#accordion .panel-heading a:not(.collapsed) {
  color: #6d757d;
  background-color: #ececec;
  transition: all 0.2s ease-in;
}

/* Add Indicator fontawesome icon to the left */
#accordion .panel-heading .accordion-toggle::before {
  font-family: 'FontAwesome';
  content: '\f00d';
  float: left;
  color: #6d757d;
  font-weight: lighter;
  transform: rotate(0deg);
  transition: all 0.2s ease-in;
}
#accordion .panel-heading .accordion-toggle.collapsed::before {
  color: #444;
  transform: rotate(-135deg);
  transition: all 0.2s ease-in;
}