el-select 下拉搜索框

// 搜索框下拉
:deep(.el-select__placeholder.is-transparent){
    color:#fff !important;
    font-size:1rem !important;
}
:deep(.el-select__placeholder){
    color:#fff !important;
    font-size:1rem !important;
}
:deep(el-select__caret){
    color:#fff !important;
    font-size:1rem !important;
}
:deep(.el-select__wrapper){
    background-color:transparent !important;
    background:url('@/assets/bigScreen/u399.png') center no-repeat;
    background-size:100% 100%;
    border:none !important;
    color:#fff !important;
    box-shadow: 0 0 0 0px #b4c1ce inset !important;
    // line-height: 100%;
    // min-height: 100%;
    
}
:deep(.el-select__wrapper.is-focused ){
        box-shadow: 0 0 0 0px #577fa9 inset !important;
}
:deep(.el-select__wrapper.is-hovering:not(.is-focused) ){
    box-shadow: 0 0 0 0px #577fa9 inset !important;
}

// option样式
:deep(.el-scrollbar){
    background:#7996d4 !important;
    color:#fff !important;
}
:deep(.el-select-dropdown__item .is-hovering) {
    color:#fff !important;
    background:#1648b4 !important;
}