.avia-section.av-i6yvo-2e793c23ab832aac27dae01b7c4902b1{background-repeat:no-repeat;background-image:url(https://www.alberti-ing.ch/wp/wp-content/uploads/2025/07/College-Bethusy_Lausanne_Structure-bois_Alberti-Ingenieurs-SA_100.jpg);background-position:50% 50%;background-attachment:fixed} #top .av-special-heading.av-m49s38ub-f63483a01a1d10e04a5c53f9af32aa2c{padding-bottom:10px}body .av-special-heading.av-m49s38ub-f63483a01a1d10e04a5c53f9af32aa2c .av-special-heading-tag .heading-char{font-size:25px}.av-special-heading.av-m49s38ub-f63483a01a1d10e04a5c53f9af32aa2c .av-subheading{font-size:15px} #top .av-special-heading.av-m5qs1frp-ce26706130642efc2409164e791830b0{padding-bottom:10px}body .av-special-heading.av-m5qs1frp-ce26706130642efc2409164e791830b0 .av-special-heading-tag .heading-char{font-size:25px}.av-special-heading.av-m5qs1frp-ce26706130642efc2409164e791830b0 .av-subheading{font-size:15px} .avia-image-container.av-15j08-8b7fa8206ef9f72da1d362458f931096 img.avia_image{box-shadow:none}.avia-image-container.av-15j08-8b7fa8206ef9f72da1d362458f931096 .av-image-caption-overlay-center{color:#ffffff} #top .av-special-heading.av-4f01nl-310ac316656def81b53ab1ec42dabcac{padding-bottom:10px}body .av-special-heading.av-4f01nl-310ac316656def81b53ab1ec42dabcac .av-special-heading-tag .heading-char{font-size:25px}.av-special-heading.av-4f01nl-310ac316656def81b53ab1ec42dabcac .av-subheading{font-size:15px} .avia-image-container.av-72d9c1-b92bfe36ad9c70ebda6f25c5ed6f2525 img.avia_image{box-shadow:none}.avia-image-container.av-72d9c1-b92bfe36ad9c70ebda6f25c5ed6f2525 .av-image-caption-overlay-center{color:#ffffff} #top #wrap_all .avia-button.av-mcdgafco-f94275818123c2bba8b4df484dc8767b{font-size:20px;transition:all 0.4s ease-in-out} #top .av-special-heading.av-mcumbmt6-478edeee4ccb5c08d2a69f0775bc6e32{padding-bottom:10px}body .av-special-heading.av-mcumbmt6-478edeee4ccb5c08d2a69f0775bc6e32 .av-special-heading-tag .heading-char{font-size:25px}.av-special-heading.av-mcumbmt6-478edeee4ccb5c08d2a69f0775bc6e32 .av-subheading{font-size:15px} #top #wrap_all .avia-button.av-mcuo7es1-a83f7fe4d14528cd49518f5423ebc6ae{font-size:20px;transition:all 0.4s ease-in-out}