.bm-select2-box{
    position: relative;
    display: inline-block;
    
    >input[type="text"]{
        width: 100%;
        margin:0;
    }

    @at-root .bm-select2-list{
        display: none;
        position: absolute;
        top: 100% ;
        left: 0;
        width: 100% ;
        padding: 2px 5px;
        overflow: auto;
        max-height: 200px;
        background-color: #fff;
        border:1px solid #ccc;
        border-radius: 3px;
        box-shadow: inset 0 1px 1px rgba(0,0,0,.075),0 0 8px rgba(82,168,236,.6);
    }
}