mf-styling/src/dropdown.css

css as used for mf apps

:root {
  --dropdown-border-color: rgba(27 31 35 15%);
  --dropdown-hover-background-color: var(--nav-background-color);
}

.dropdown {
  position: relative;
}

.dropdown-caret {
  display: inline-block;
  width: 0;
  height: 0;
  vertical-align: middle;
  content: "";
  border-top-style: solid;
  border-top-width: 4px;
  border-right: 4px solid transparent;
  border-bottom: 0 solid transparent;
  border-left: 4px solid transparent;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 100;
  width: 160px;
  padding-top: 4px;
  padding-bottom: 4px;
  margin-top: 2px;
  list-style: none;
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid var(--dropdown-border-color);
  border-radius: 4px;
  box-shadow: 0 1px 15px var(--dropdown-border-color);
}

.dropdown-menu ::after,
.dropdown-menu ::before {
  position: absolute;
  display: inline-block;
  content: "";
}

.dropdown-menu ::before {
  border: 8px solid transparent;
  border-bottom-color: var(--dropdown-border-color);
}

.dropdown-menu ::after {
  border: 7px solid transparent;
  border-bottom-color: #fff;
}

.dropdown-menu > ul {
  list-style: none;
}

.dropdown-menu-no-overflow {
  width: auto;
}

.dropdown-item {
  display: block;
  padding: 4px 0 2px 8px;
  overflow: hidden;
  color: #24292e;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dropdown-menu-no-overflow .dropdown-item {
  padding: 4px 16px;
  overflow: visible;
  text-overflow: inherit;
}

.dropdown-item:focus,
.dropdown-item:hover {
  color: #fff;
  text-decoration: none;
  background-color: var(--dropdown-hover-background-color);
  outline: none;
}

.dropdown-item[aria-checked="false"] {
  display: none;
}

.dropdown-item.btn-link,
.dropdown-signout {
  width: 100%;
  text-align: left;
}

.dropdown-signout {
  background: none;
  border: 0;
}

.dropdown-divider {
  display: block;
  height: 0;
  margin: 8px 0;
  border-top: 1px solid #e1e4e8;
}

.dropdown-header {
  padding: 4px 16px;
  font-size: 12px;
  color: #d1d5da;
}

.dropdown-menu-w {
  top: 0;
  right: 100%;
  left: auto;
  width: auto;
  margin-top: 0;
  margin-right: 8px;
}

.dropdown-menu-w ::before {
  top: 10px;
  right: -16px;
  left: auto;
  border-color: transparent transparent transparent var(--dropdown-border-color);
}

.dropdown-menu-w ::after {
  top: 11px;
  right: -14px;
  left: auto;
  border-color: transparent transparent transparent #fff;
}

.dropdown-menu-e {
  top: 0;
  left: 100%;
  width: auto;
  margin-top: 0;
  margin-left: 8px;
}

.dropdown-menu-e ::before {
  top: 8px;
  left: -16px;
  border-color: transparent var(--dropdown-border-color) transparent transparent;
}

.dropdown-menu-e ::after {
  top: 11px;
  left: -14px;
  border-color: transparent #fff transparent transparent;
}

.dropdown-menu-ne {
  top: auto;
  bottom: 100%;
  left: 0;
  margin-bottom: 3px;
}

.dropdown-menu-ne ::after,
.dropdown-menu-ne ::before {
  top: auto;
  right: auto;
}

.dropdown-menu-ne ::before {
  bottom: -8px;
  left: 9px;
  border-top: 8px solid var(--dropdown-border-color);
  border-right: 8px solid transparent;
  border-bottom: 0;
  border-left: 8px solid transparent;
}

.dropdown-menu-ne ::after {
  bottom: -7px;
  left: 10px;
  border-top: 7px solid #fff;
  border-right: 7px solid transparent;
  border-bottom: 0;
  border-left: 7px solid transparent;
}

.dropdown-menu-s {
  right: 50%;
  left: auto;
  transform: translateX(50%);
}

.dropdown-menu-s ::before {
  top: -16px;
  right: 50%;
  transform: translateX(50%);
}

.dropdown-menu-s ::after {
  top: -14px;
  right: 50%;
  transform: translateX(50%);
}

.dropdown-menu-sw {
  right: 0;
  left: auto;
}

.dropdown-menu-sw ::before {
  top: -16px;
  right: 9px;
  left: auto;
}

.dropdown-menu-sw ::after {
  top: -14px;
  right: 10px;
  left: auto;
}

.dropdown-menu-se ::before {
  top: -16px;
  left: 9px;
}

.dropdown-menu-se ::after {
  top: -14px;
  left: 10px;
}

/*
.dropdown-trigger {
  background-image: url("images/down.svg");
}
*/