#activity-selector {
    position: relative;
    display: inline-block;
    vertical-align: middle;
}

.dropdown-menu {
    display: none;
    position: absolute;
    bottom: 50px;
    left: 50%;
    margin-left: -75px;
    width: 150px;
    background: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    padding: 8px 0;
    z-index: 2010;
    text-align: left;
}

.dropdown-menu.show {
    display: block;
}

.dropdown-item {
    padding: 8px 16px;
    cursor: pointer;
    font-size: 13px;
    color: #333333;
    font-family: sans-serif;
    line-height: 20px;
}

.dropdown-item:hover {
    background-color: #f5f5f5;
}

.dropdown-item svg {
    vertical-align: middle;
    margin-right: 8px;
    margin-top: -3px;
}

.dropdown-item span {
    vertical-align: middle;
}