affecting the value of `rem`.\n// null by default, thus nothing is generated.\n\n:root {\n  @if $font-size-root != null {\n    @include font-size(var(--#{$prefix}root-font-size));\n  }\n\n  @if $enable-smooth-scroll {\n    @media (prefers-reduced-motion: no-preference) {\n      scroll-behavior: smooth;\n    }\n  }\n}\n\n\n// Body\n//\n// 1. Remove the margin in all browsers.\n// 2. As a best practice, apply a default `background-color`.\n// 3. Prevent adjustments of font size after orientation changes...

opacity: 1;\n}\n\n.form-control:disabled, .form-control[readonly] {\n  background-color: #e9ecef;\n  opacity: 1;\n}\n\ninput[type=\"date\"].form-control,\ninput[type=\"time\"].form-control,\ninput[type=\"datetime-local\"].form-control,\ninput[type=\"month\"].form-control {\n  -webkit-appearance: none;\n  -moz-appearance: none;\n  appearance: none;\n}\n\nselect.form-control:-moz-focusring {\n  color: transparent;\n  text-shadow: 0 0 0 #495057;\n}\n\nselect.form-control:focus::-ms-value {\n  color: #495057;\n...