body {
    background-color: #444444;
    color: #dee2e6;
}

.container {
    max-width: none;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: rgba(0,0,0,.125);
}

.accordion-button::after {
  background-image: initial;
  width: 0;
}

.accordion-button:not(.collapsed)::after {
  background-image: initial;
  width: 0;
}

td {
    line-height: 2em;
    padding-top: 0;
    padding-bottom: 0;
    vertical-align: middle;
}