Ghost/ghost/admin/app/styles/components/dropdowns.css

/* Dropdowns
/* ---------------------------------------------------------- */

.ember-basic-dropdown-content {
    z-index: 1100;
}

.dropdown {
    position: relative;
    z-index: 1100;
}

.dropdown-toggle:focus {
    outline: 0;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    float: left;
    margin: 2px 0 0;
    padding: 10px;
    min-width: 200px;
    background-color: #fff;
    background-clip: padding-box;
    border-radius: 4px;
    box-shadow: 0 0 0 1px rgba(99,114,130,0.16), 0 8px 16px rgba(27,39,51,0.08);
    list-style: none;
    text-align: left;
    text-transform: none;
    font-size: 1.4rem;
    font-weight: normal;
}

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

.dropdown-menu .divider {
    overflow: hidden;
    margin: 8px 0;
    height: 1px;
    background: color(#dfe1e3 lightness(+5%));
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu > li > a,
.dropdown-menu > li > button {
    display: flex;
    align-items: center;
    clear: both;
    padding: 6px 10px;
    width: 100%;
    border-radius: 3px;
    color: color(var(--darkgrey) lightness(+20%));
    text-align: left;
    white-space: nowrap;
    font-size: 1.3rem;
    line-height: 1em;
    font-weight: normal;
    transition: none;
}

.dropdown-menu svg {
    margin-right: 10px;
    height: 14px;
    width: 14px;
    line-height: 1em;
    fill: color(var(--darkgrey) lightness(+20%));
}

.dropdown-menu svg path {
    stroke: color(var(--darkgrey) lightness(+20%));
}

@media (max-width: 500px) {
    .dropdown-menu > li > a,
    .dropdown-menu > li > button {
        padding: 7px 8px;
        font-size: 1.5rem;
    }
    .dropdown-menu svg {
        height: 16px;
    }
}


/* States
/* ---------------------------------------------------------- */

/* Hover/Focus */
.dropdown-menu > li > a:hover,
.dropdown-menu > li > a:focus,
.dropdown-menu > li > button:hover,
.dropdown-menu > li > button:focus {
    background: color(var(--blue) alpha(-85%));
    color: var(--darkgrey);
    text-decoration: none;
}

/* Active */
.dropdown-menu > .active > a,
.dropdown-menu > .active > a:hover,
.dropdown-menu > .active > a:focus,
.dropdown-menu > .active > button,
.dropdown-menu > .active > button:hover,
.dropdown-menu > .active > button:focus {
    outline: 0;
    background-color: var(--blue);
    color: #fff;
    text-decoration: none;
}

/* Disabled */
.dropdown-menu > .disabled > a,
.dropdown-menu > .disabled > a:hover,
.dropdown-menu > .disabled > a:focus,
.dropdown-menu > .disabled > button,
.dropdown-menu > .disabled > button:hover,
.dropdown-menu > .disabled > button:focus {
    color: var(--midgrey);
}

.dropdown-menu > .disabled > a:hover,
.dropdown-menu > .disabled > a:focus,
.dropdown-menu > .disabled > button:hover,
.dropdown-menu > .disabled > button:focus {
    background-color: transparent;
    background-image: none;
    text-decoration: none;
    cursor: not-allowed;
}


/* Open / Close
/* ---------------------------------------------------------- */

.open > .dropdown-menu {
    display: block;
}

.open > a {
    outline: 0;
}

.closed > .dropdown-menu {
    display: none;
}


/* Selectize
/* ---------------------------------------------------------- */

.selectize-dropdown {
    z-index: 200;
}