Triết lý giáo dục

.twb-custom-button:before,#wp-admin-bar-booster-top-button .ab-item:before{--wpr-bg-ac69e734-9bde-4faf-9da0-dcd14b2e3395: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/optimize.svg');}.elementor-control .twb_elementor_control_title.twb_not_optimized{--wpr-bg-22c01e72-f7a0-46c0-8eba-8dd78c68822c: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/red-info.svg');}.elementor-control .twb_elementor_control_title span.twb_inprogress{--wpr-bg-4f11c5f9-bd15-4e83-ad4d-72e159b34f01: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/loader_green.svg');}.elementor-panel .elementor-tab-control-twb_optimize a:before{--wpr-bg-0d5584f7-21dc-4d4a-8224-42e9289c6a85: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/logo_dark.svg');}.elementor-panel-menu-item-icon .twb-element-menu-icon:before{--wpr-bg-8e34b068-f855-4f1a-8f85-ad25ef6b0901: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/logo_dark.svg');}#twb-speed-galleries_bwg:before{--wpr-bg-8d2f855c-6977-4567-843e-79f27e5c93e2: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/pg.svg');}#twb-speed-manage_fm:before{--wpr-bg-a32e45dc-3453-4512-9a1a-a29ce685b682: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/fm.svg');}th[id^='twb-speed-']:after{--wpr-bg-e53e1c91-3900-4bd2-9be9-6f563458a8cd: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/closed_eye.svg');}.twb-optimized:before{--wpr-bg-8c1bb44c-3630-4a73-a759-7031e57851e7: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/not_optimized.svg');}.twb-notoptimized:before{--wpr-bg-93e475f0-9a86-4db0-a0c7-b945c7a68f5d: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/check_score.svg');}.twb-optimizing:before{--wpr-bg-13cf8d9b-7d76-4af7-b9b1-90e97f59e28a: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/loader.svg');}#wpadminbar .twb-loader,.twb-loader{--wpr-bg-8b56d0dc-f803-43c9-8ebe-d13bb8c4f252: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/loader.svg');}#wpadminbar .twb-reload,.twb-reload{--wpr-bg-74ea7eca-85b6-452c-9bc8-f55248562161: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/reload.svg');}#wpadminbar .twb-score0,.twb-score0{--wpr-bg-c74feff1-7914-41d6-ba76-b502cf7960c2: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/red-info.svg');}#wpadminbar .twb_admin_bar_menu.twb_frontend.twb_score_inprogress span,#wpadminbar .twb_admin_bar_menu.twb_backend .twb_admin_bar_menu_header span{--wpr-bg-cf8d4a94-c632-47fd-ae28-5b7095fd8905: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/loader_green.svg');}#wpadminbar .twb_admin_bar_menu.twb_backend .twb_admin_bar_menu_header span.twb_backend_not_optimized_logo{--wpr-bg-5529010a-ec50-4e64-82d8-f136903c5e82: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/not_optimized.svg');}#wpadminbar .twb_admin_bar_menu.twb_backend .twb_admin_bar_menu_header span.twb_counted{--wpr-bg-75ca4d2f-f013-40f6-863e-4d2e20cc1a1f: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/not_optimized.svg');}#wpadminbar .twb_counted .twb_status_title{--wpr-bg-b6f7f133-4e9d-406d-ac9f-9d03c8dd9aa4: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/green-info.svg');}#wpadminbar .twb_admin_bar_menu_content .twb_score_inprogress span{--wpr-bg-3b7a09b1-4e31-4e7e-94c9-287f137bef9f: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/loader_green.svg');}#wpadminbar .twb_counted .twb_counted_congrats_row span.twb_up_arrow{--wpr-bg-2a6a68d6-c444-41ad-aff0-dc852a7e57bd: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/up_arrow_nav.svg');}#wpadminbar .twb_counted .twb_counted_congrats_row span.twb_down_arrow{--wpr-bg-6815be88-92b9-4b98-bb9c-30e21ce42ef0: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/down_arrow_nav.svg');}#wpadminbar .twb_counting_container p.twb_counting_title span{--wpr-bg-ac6f8dae-b63f-49a5-b41f-efb07e923267: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/booster/assets/images/loader_green.svg');}#spider_popup_left,#spider_popup_right{--wpr-bg-f7e5f1cc-d614-4f5c-8131-931337b1a7d7: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/images/blank.gif');}.bwg_spider_popup_loading,.footer-list-block .bwp_gallery .bwg_spider_popup_loading,.footer-list-block .bwp_gallery_tags .bwg_spider_popup_loading{--wpr-bg-35689ac7-f7d7-4947-8b2f-f3f6ef2403d0: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/images/ajax_loader.png');}.bwg_captcha_refresh{--wpr-bg-092d58e7-7587-4a78-b7b8-badc3217ce62: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/images/captcha_refresh.png');}.bwg_spider_ajax_loading{--wpr-bg-049e9649-9b57-4823-9f41-7659342658b3: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/images/ajax_loader.png');}.bwg-loading{--wpr-bg-2a1cbdeb-3e70-4fb9-8809-b7281938cb14: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/images/ajax_loader.png');}.bwg_carousel_preload{--wpr-bg-0db13eef-53d0-48ca-83d4-817e055223aa: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/images/ajax_loader.png');}.lazy_loader{--wpr-bg-d2aeb3cc-a542-4097-9f03-dcbb958e3154: url('https://new.vttu.edu.vn/wp-content/plugins/photo-gallery/images/ajax_loader.png');}.rt-wpls .slick-loading .slick-list{--wpr-bg-872bd7f0-27db-45aa-afe2-14ea87ab5124: url('https://new.vttu.edu.vn/wp-content/plugins/wp-logo-showcase/assets/images/ajax-loader.gif');}.under-construction .section-uc-2{--wpr-bg-fe8ffd3e-f57b-4f10-b83c-95e832afbf4b: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/stripes/stripes_3_b.png');}.pager_lm{--wpr-bg-9a799bdd-7824-430a-842c-33b30c3239e7: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/preloader2.gif');}.masonry.tiles .post-item:not(.no-img) .post-desc-wrapper .post-desc{--wpr-bg-029812c3-66a9-4084-8e2b-52d31ce034a9: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/blog_masonry_tile_gradient.png');}.timeline .post-item{--wpr-bg-449cf90a-bc04-4652-ab6c-ecd9adc74e78: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/timeline_right.png');}.widget_mfn_recent_comments ul li{--wpr-bg-21045185-a819-4bcb-86f6-19b9136e96ab: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/recent_comments.png');}.widget_recent_comments ul li{--wpr-bg-9d314e7e-c4f7-4eda-978f-1b2060a941b2: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/recent_comments.png');}.section.has-video .section_video .mask{--wpr-bg-1584653f-25e2-4407-9c2f-7f5d6300a145: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/videomask.png');}.blog-teaser li .desc-wrapper .desc{--wpr-bg-d810466e-0236-4b2c-9dc0-2901a5a9a7fa: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/blog_masonry_tile_gradient.png');}.timeline_items{--wpr-bg-7b66f828-536b-472f-b0fd-ebd00c8eb06b: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/timeline_top.png');}.timeline_items>li{--wpr-bg-87e63762-40b3-489e-b3de-be3b719f6048: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/timeline_right.png');}.timeline_items>li:nth-child(even){--wpr-bg-32db0ce6-8973-4118-9547-7a6d4dba7d09: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/timeline_left.png');}#wp-admin-bar-mfn-live-builder .ab-item:before{--wpr-bg-614a6005-fb8b-4282-b4fd-3415c9f56d90: url('https://new.vttu.edu.vn/wp-content/themes/betheme/muffin-options/svg/be-mono.svg');}.pager .pages{--wpr-bg-e8513555-60ba-4b87-a1bd-ad445fffdd0d: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/stripes/stripes_3_b.png');}#Filters .filters_buttons{--wpr-bg-4ccfe4ab-db71-40a9-8757-8a99510e6dec: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/stripes/stripes_5_b.png');}#Top_bar .menu li ul{--wpr-bg-a076a0bc-0a0f-45da-998b-f8ee0c76ebcf: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/box_shadow.png');}.post-nav{--wpr-bg-e95a5767-c593-4be5-8213-a813132d18b3: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/stripes/stripes_5_b.png');}#comments .commentlist>li .reply a.comment-reply-link{--wpr-bg-a0644ba0-0a78-4a91-ad6f-a1b06ce1df23: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/stripes/stripes_10_w.png');}.dark blockquote{--wpr-bg-c92c889a-13cc-4731-8b33-29089f2d0071: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/stripes/textline_dark.png');}.dark .fancy_heading_line{--wpr-bg-d3df5dd6-6e84-4cf1-92e4-57a673d60047: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/fancy_heading_hr_dark.png');}.dropcap{--wpr-bg-ee3fca87-89ec-4c93-b965-91d90f0e9bf7: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/stripes/stripes_10_w.png');}.highlight{--wpr-bg-ccc7c786-2703-402c-b99b-d9fdcaac55d7: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/stripes/stripes_10_w.png');}.list_item .circle{--wpr-bg-6f31b404-46b5-4927-b782-d70bcd6ccd1f: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/stripes/stripes_3_b.png');}.list_item.lists_1 .list_left{--wpr-bg-c9412f68-0da1-49bf-aa96-5504fff94682: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/stripes/stripes_3_b.png');}.offer_thumb .slider_pagination li.slick-active a{--wpr-bg-e0015c27-d7d5-47b3-b93e-963a18dd62f9: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/stripes/stripes_3_b.png');}.icon_box .icon_wrapper{--wpr-bg-9dfffe3e-4260-4591-94ec-e6035c30ddd0: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/stripes/stripes_3_b.png');}.article_box .desc_wrapper{--wpr-bg-c36693d2-2e8e-47ac-9bb2-c6f1cef1db9a: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/stripes/stripes_3_b.png');}.column_counter .mcb-item-counter-inner{--wpr-bg-3d8e8be3-f3a2-4a5c-ad87-22ccd80e09ef: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/stripes/stripes_10_b.png');}.chart_box:before{--wpr-bg-0bb3ffdd-217e-47ff-9230-0488becd4644: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/stripes/stripes_3_b.png');}.trailer_box .desc .subtitle{--wpr-bg-8601328e-9223-499f-9b46-56ae092b7b46: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/stripes/stripes_10_w.png');}a:hover.content_link{--wpr-bg-36f2c015-5941-4423-a293-28f89b0f1b70: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/stripes/stripes_3_b.png');}a.icon_bar{--wpr-bg-0e8c2a99-1806-4a9c-bc3f-618ae7fb7625: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/stripes/stripes_3_b.png');}.opening_hours .opening_hours_wrapper li label{--wpr-bg-73ce124c-103f-4e09-a319-276adf0cddbc: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/stripes/stripes_3_b.png');}.timeline_items>li .desc:before{--wpr-bg-74469f2c-c494-4653-9642-64a704e42ea0: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/stripes/stripes_10_b.png');}.fancy_heading_line{--wpr-bg-3c02ed94-6577-421f-be97-bc6c7ca3a937: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/fancy_heading_hr.png');}.date_label,.timeline_items>li h3 span{--wpr-bg-18e556bc-ac45-4096-aabe-30324b437b67: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/stripes/stripes_3_b.png');}.ui-tabs .ui-tabs-nav{--wpr-bg-3a9e9e87-46b4-4d93-bfe7-98da78e70800: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/bg_panel.png');}.ui-tabs .ui-tabs-panel{--wpr-bg-e59538c3-4992-4a13-a891-1ac4f5a20e34: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/box_shadow.png');}.tabs_vertical.ui-tabs .ui-tabs-nav li a{--wpr-bg-d5c696ed-4cc3-4f19-a1ab-4a3cb104ac00: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/bg_panel.png');}a.jp-stop{--wpr-bg-d728af0c-0b94-4bf4-b1ae-d04dbfab0780: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.png');}a.jp-stop:hover{--wpr-bg-fca25ea8-94c6-4b95-ae31-b8d5308bbd43: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.png');}a.jp-previous{--wpr-bg-f7561f7b-1f77-4acc-a130-68d76e2bdc74: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.blue.monday.jpg');}a.jp-previous:hover{--wpr-bg-c82c4873-8040-482b-bbdb-2fc68305e7ee: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.blue.monday.jpg');}a.jp-next{--wpr-bg-afd73509-60d0-414d-a9b8-bf83199cc499: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.blue.monday.jpg');}a.jp-next:hover{--wpr-bg-f5929117-1141-460e-ad83-c1eb555f644b: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.blue.monday.jpg');}div.jp-seeking-bg{--wpr-bg-119a7807-31c8-4504-8515-7504051ee549: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.blue.monday.seeking.gif');}a.jp-volume-max{--wpr-bg-69e08daa-376d-4491-b2bc-d864785df01e: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.blue.monday.jpg');}a.jp-volume-max:hover{--wpr-bg-92e23b5b-3248-405b-a4cd-bd12ca5e6fb0: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.blue.monday.jpg');}a.jp-video-play-icon{--wpr-bg-2361ad2c-54cc-4ef8-aac4-e235d524e214: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.png');}div.jp-video-play:hover a.jp-video-play-icon{--wpr-bg-9774bc90-43a8-4c93-8036-b148bb973e22: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.png');}a.jp-repeat{--wpr-bg-9622b30b-a91e-44ba-b4d1-ee562f9f2c60: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.blue.monday.jpg');}a.jp-repeat:hover{--wpr-bg-490b1fcb-a730-40bf-b5d6-9afa8a14ad73: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.blue.monday.jpg');}a.jp-repeat-off{--wpr-bg-85b3eac5-dccf-4767-846d-364b8043a605: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.blue.monday.jpg');}a.jp-repeat-off:hover{--wpr-bg-8a6676cf-503e-4e85-99bb-0e71c4c041ad: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.blue.monday.jpg');}a.jp-shuffle{--wpr-bg-59c4f5cd-6179-4535-a9ed-de4600eb1217: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.blue.monday.jpg');}a.jp-shuffle:hover{--wpr-bg-a99dd782-0333-4987-9d53-af85cf02210b: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.blue.monday.jpg');}a.jp-shuffle-off{--wpr-bg-59120b7b-2393-4021-9280-d9b65d6a1542: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.blue.monday.jpg');}a.jp-shuffle-off:hover{--wpr-bg-45778396-23f0-4e85-86aa-9285d51f84e2: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.blue.monday.jpg');}a.jp-play{--wpr-bg-4f55e9cf-39ab-4691-b3d0-08555861dfe5: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.png');}a.jp-pause{--wpr-bg-4a9203ee-a316-4ed9-b1dc-b11ad745edc8: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.png');}a.jp-unmute{--wpr-bg-3b55b7fe-aa75-4899-a442-ecb87a5f1c51: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.png');}a.jp-unmute:hover{--wpr-bg-32654baa-0501-43a9-a759-39e4f74b063b: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.png');}div.jp-volume-bar{--wpr-bg-30e8c815-fc88-4120-bc03-b405c2761d5f: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.png');}div.jp-volume-bar-value{--wpr-bg-26a8c543-1088-4fe8-b765-2367fe06c795: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.png');}a.jp-mute,a.jp-mute:hover{--wpr-bg-dbb33261-9a15-4c6d-b239-51c8e839b694: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.png');}a.jp-full-screen,a.jp-restore-screen{--wpr-bg-55a78a82-cff8-495c-b9c3-9b52925964e3: url('https://new.vttu.edu.vn/wp-content/themes/betheme/assets/jplayer/css/jplayer.png');}.timeline_items>li{--wpr-bg-a358cc64-471c-4b5c-b31e-98f802f340ea: url('https://new.vttu.edu.vn/wp-content/themes/betheme/images/timeline_right.png');}rs-dotted.twoxtwo{--wpr-bg-02b33be5-90a1-4bb4-bda1-d213d383aaa9: url('https://new.vttu.edu.vn/wp-content/plugins/revslider/public/assets/assets/gridtile.png');}rs-dotted.twoxtwowhite{--wpr-bg-4ca5aa8c-e933-4a6e-81f6-852f20aa8172: url('https://new.vttu.edu.vn/wp-content/plugins/revslider/public/assets/assets/gridtile_white.png');}rs-dotted.threexthree{--wpr-bg-07d8ecc2-e917-40c5-9374-53f9a1d39dc4: url('https://new.vttu.edu.vn/wp-content/plugins/revslider/public/assets/assets/gridtile_3x3.png');}rs-dotted.threexthreewhite{--wpr-bg-29619eb7-fc33-453c-abda-7d487d6b9969: url('https://new.vttu.edu.vn/wp-content/plugins/revslider/public/assets/assets/gridtile_3x3_white.png');}.rs-layer.slidelink a div{--wpr-bg-55c469fb-c0cc-4caf-bdbe-1e8e19743f64: url('https://new.vttu.edu.vn/wp-content/plugins/revslider/public/assets/assets/coloredbg.png');}.rs-layer.slidelink a span{--wpr-bg-9bcf6af8-a0fc-459d-a53d-9f362c6eb56c: url('https://new.vttu.edu.vn/wp-content/plugins/revslider/public/assets/assets/coloredbg.png');}rs-loader.spinner0{--wpr-bg-13d80ce5-7279-41d4-a2f4-daddc04c159b: url('https://new.vttu.edu.vn/wp-content/plugins/revslider/public/assets/assets/loader.gif');}rs-loader.spinner5{--wpr-bg-5a1658c0-5e80-4031-97f6-3e816ae232ac: url('https://new.vttu.edu.vn/wp-content/plugins/revslider/public/assets/assets/loader.gif');}body:not(.template-slider) #Header_wrapper{--wpr-bg-cf1e8d43-8279-46a9-9bd7-ada50c6c023e: url('https://new.vttu.edu.vn/wp-content/uploads/2023/01/background-menu.png');}#Top_bar,#Header_creative{--wpr-bg-d5763197-b55c-43f4-8baa-26f9f434b71b: url('https://new.vttu.edu.vn/wp-content/uploads/2023/01/bg-1px.png');}