css.html

<!--  Bootstrap 5 -->
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">

<!-- Jquery CSS -->
<link rel="stylesheet" type="text/css" href="https://code.jquery.com/ui/1.10.0/themes/base/jquery-ui.css" />

<!-- PT Sans -->
<link rel="stylesheet" href="https://use.typekit.net/egy7vef.css">

<!-- Custom styles. -->
<style>
/* * {
  // border: 2px solid red;
} */

body {
  display: flex;
  flex-direction: column;
  max-width: 300px;
  height: 100vh;
  background: #2E2F2D;
  font-family: pt-sans, sans-serif;
  color: #F7F7F7;
}

header {
  display: flex;
  background: #383838;
}

h1 {
  flex: 4;
  padding-left: 5px;
  margin: 0;
  font-family: pt-sans-narrow, sans-serif;
  font-weight: 700;
}

h2 {
  padding-top: 10px;
  font-size: 16px;
}

.btn-container {
  display: flex;
  justify-content: space-evenly;
}

.dropbtn {
  flex: 1;
  height: 100%;
  color: white;
  background: #383838;
  border: 0;
  padding: 0 15px;
}

main {
  margin: 0 0;
  padding: 0 2.5%;
}

footer {
  margin-top: auto;
  padding: 20px 2.5%;
  background: #383838;
  text-align: center;
  font-size: 11px;
}

footer a, a:hover, a:active {
  color: #F7F7F7;
}

.spinner-border {
  display: none;
  margin-left: 5px;
}

.spinner {display: inline-block !important;}

/* Dropdown Content (Hidden by Default) */
.dropdown-content {
  display: none;
  color: black;
  right: 0;
  position: absolute;
  background-color: #f1f1f1;
  min-width: 300px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
}

.dropdown-content button {
  display: block;
  width: 100%;
  padding: 5px 0px;
  text-align: left;
  border: none;
}

.dropdown-content button:hover {background-color: #ddd}

.dropdown-content p {
  margin: 2px;
  padding-left: 5px;
  display: inline-block;
}

/* Show the dropdown menu (use JS to add this class to the .dropdown-content container when the user clicks on the dropdown button) */
.show {display:block;}

.hide {display:none;}

/* Links inside the dropdown */
  .dropdown-content a {
  color: black;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
}

/* Change color of dropdown links on hover */
.dropdown-content a:hover {background-color: #ddd}

.form-check, .form-switch {
  padding: 10px;
}

.form-check-input {
  position: absolute;
  right: 10px;
  z-index: 0;
}

.form-check-input[type=checkbox]:checked {
  background-color: #ffd966;
}

.form-switch .form-check-input:checked[type=checkbox]:after {
  background-color: #FBA922;
}

.form-check-input:checked[type=checkbox]:focus {
  background-color: #ffd966;
}

</style>