    /** * @class Ext.picker.Picker */ .x-sheet.x-picker {    padding: 0;} .x-sheet.x-picker .x-sheet-inner {    background-color: #fff;    overflow: hidden;     .x-picker-slot {        .x-body {            border-left: 1px solid #999999;            border-right: 1px solid #ACACAC;        }         &.x-first {            .x-body {                border-left: 0;            }        }         &.x-last {            .x-body {                border-left: 0;                border-right: 0;            }        }    }} .x-picker-mask {    position: absolute;    top: 0;    left: 0;    right: 0;    bottom: 0;    z-index: 3;    @include st-box;    @include st-box-align(stretch);    @include st-box-orient(vertical);    @include st-box-pack(center);    pointer-events: none;} .x-picker-slot-title {    position: relative;    z-index: 2;     > div {        @include ellipsis;        font-weight: bold;    }} .x-picker-slot {    .x-dataview-inner {        width: 100% !important;    }     .x-dataview-item {        vertical-align: middle;        height: 30px;        line-height: 30px;    }     .x-picker-item {        @include ellipsis();    }} .x-ie .x-picker-item {    cursor: default;} .x-ie .x-picker-item::before{    content: ". .";    color: transparent;    position: absolute;    left: 0px;    word-spacing: 3000px;} .x-picker-right {    text-align: right;} .x-picker-center {    text-align: center;} .x-picker-left {    text-align: left;}