.#{$select-tree-prefix-cls} {
  &__content{
    max-height: $pre-scrollable-max-height;
    overflow-y: auto;
    min-width:100%;
    display: block;
    // position: absolute;
    // top: auto;
    // left: 0;
    // z-index: $zindex-dropdown;
    // float: left;
    padding: 0 8px;
    margin: 0;
    font-size: $font-size-sm;
    color: $body-color;
    text-align: left;
    list-style: none;
    background-color: $lsit-bg;
    background-clip: padding-box;
    border: $lsit-border-width solid $lsit-border-color;
    @include border-radius($border-radius);
    @include box-shadow($list-box-shadow);
  }
}