.page-id-255229 .section_head_bg{background-image:url("https://www.esero.lu/wp-content/uploads/2025/07/Astro_Pi_Website_Preview_1200_x_630_V1__1_.png")!important;background-size:cover!important;background-position:center!important;background-repeat:no-repeat!important;z-index:1000}.page-id-255253 .section_head_bg{background-image:url("https://www.esero.lu/wp-content/uploads/2025/07/ton-image-corrigee.jpg")!important;background-size:cover!important;background-position:center!important;background-repeat:no-repeat!important}.page-id-255292 .section_head_bg{background-image:url("https://www.esero.lu/wp-content/uploads/2025/07/page_a_propos.png")!important;background-size:cover!important;background-position:center!important;background-repeat:no-repeat!important;z-index:5000}.page-id-255180 .section_head_bg{background-image:url("https://www.esero.lu/wp-content/uploads/2025/07/images.jpeg")!important;background-size:cover!important;background-position:center!important;background-repeat:no-repeat!important}.page-id-254956 .section_head_bg{background-image:url("https://www.esero.lu/wp-content/uploads/2025/07/2021-mooncamp-website-header.png")!important;background-size:cover!important;background-position:center!important;background-repeat:no-repeat!important}.page-id-250873 .section_head_bg{background-image:url("https://www.esero.lu/wp-content/uploads/2025/07/banner-Water-Rocket-Challenge-site.png")!important;background-size:cover!important;background-position:center!important;background-repeat:no-repeat!important}.page-id-249590 .section_head_bg{background-image:url("https://www.esero.lu/wp-content/uploads/2025/07/images.jpeg")!important;background-size:cover!important;background-position:center!important;background-repeat:no-repeat!important}.page-id-249190 .section_head_bg{background-image:url("https://www.esero.lu/wp-content/uploads/2025/07/Mission_X_kick-off_pillars-scaled.jpg")!important;background-size:cover!important;background-position:center!important;background-repeat:no-repeat!important}.page-id-254461 .section_head_bg{background-image:url("https://www.esero.lu/wp-content/uploads/2025/07/page_a_propos.png")!important;background-size:cover!important;background-position:center!important;background-repeat:no-repeat!important}.page-id-248907 .section_head_bg{background-image:url("https://www.esero.lu/wp-content/uploads/2025/07/6c8019ca5261-astronaute.jpg")!important;background-size:cover!important;background-position:center!important;background-repeat:no-repeat!important}.page-id-249046 .section_head_bg{background-image:url("https://www.esero.lu/wp-content/uploads/2025/07/ISS-scaled.jpg")!important;background-size:cover!important;background-position:center!important;background-repeat:no-repeat!important}.page-id-251172 .section_head_bg{background-image:url("https://www.esero.lu/wp-content/uploads/2025/07/starry-sky-2051448_1280.jpg")!important;background-size:cover!important;background-position:center!important;background-repeat:no-repeat!important}.page-id-255073 .section_head_bg{background-image:url("https://www.esero.lu/wp-content/uploads/2023/02/default-thumbnail-2-min.jpg")!important;background-size:cover!important;background-position:center!important;background-repeat:no-repeat!important}