.dropdown-menu {
    min-width: 100%;
}

/*Dropdown Button固定宽度时,显示效果*/
.dropdown-fixedwidth-text {
    width: 88%; /*防止浏览器不支持calc*/
    width: calc(100% - 40px);
    float: left;
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/*右边小箭头*/
.dropdown-fixedwidth-arrow::after {
    float: right;
    margin-top: 9px;
    /*margin-right:15px;*/
}

.dropdown-menu-list {
    overflow-x: hidden;
    overflow-y: auto;
}

/*下拉列表鼠标悬停样式*/
.dropdown-item:not(.disabled):focus, .dropdown-item:not(.disabled):hover {
    color: #16181b;
    text-decoration: none;
    background-color: #daecff;
}