.avia-section.av-mjmanpcq-37aa967c8f8c6b4b45c0ab5675fa7e4e{background-repeat:repeat;background-image:url(https://ged.pctu.edu.vn/wp-content/uploads/2025/07/ChatGPT-Image-Jul-9-2025-09_42_25-AM-300x300.png);background-position:50% 0%;background-attachment:scroll} #top .av-special-heading.av-mjmapqg8-68dc04b2f2b81e9332530cc30ee1427e{padding-bottom:10px;color:#ffffff}body .av-special-heading.av-mjmapqg8-68dc04b2f2b81e9332530cc30ee1427e .av-special-heading-tag .heading-char{font-size:25px}.av-special-heading.av-mjmapqg8-68dc04b2f2b81e9332530cc30ee1427e .special-heading-inner-border{border-color:#ffffff}.av-special-heading.av-mjmapqg8-68dc04b2f2b81e9332530cc30ee1427e .av-subheading{font-size:15px}