/* photograph mapping: [data-art] -> assets/photos/*.jpg (theme-independent). The ?v= is the file mtime — a replaced photo gets a new URL and is never served stale from a 30-day browser cache. */
[data-art="campus"]{background-image:url(../photos/campus.jpg?v=1789640100)}
[data-art="building"]{background-image:url(../photos/building.jpg?v=1789640100)}
[data-art="library"]{background-image:url(../photos/library.jpg?v=1789640100)}
[data-art="lab"]{background-image:url(../photos/lab.jpg?v=1789640100)}
[data-art="lab2"]{background-image:url(../photos/lab2.jpg?v=1789640100)}
[data-art="lab3"]{background-image:url(../photos/lab3.jpg?v=1787665860)}
[data-art="classroom"]{background-image:url(../photos/classroom.jpg?v=1789640100)}
[data-art="students"]{background-image:url(../photos/students.jpg?v=1789640100)}
[data-art="seminar"]{background-image:url(../photos/seminar.jpg?v=1789640100)}
[data-art="hostel"]{background-image:url(../photos/hostel.jpg?v=1787665475)}
[data-art="sports"]{background-image:url(../photos/sports.jpg?v=1789640100)}
[data-art="convocation"]{background-image:url(../photos/convocation.jpg?v=1789640100)}
[data-art="graduates"]{background-image:url(../photos/graduates.jpg?v=1789640100)}
[data-art="fair"]{background-image:url(../photos/fair.jpg?v=1789640100)}
[data-art="farm"]{background-image:url(../photos/farm.jpg?v=1787665532)}
[data-art="cultural"]{background-image:url(../photos/cultural.jpg?v=1787665534)}
[data-art="amphi"]{background-image:url(../photos/amphi.jpg?v=1787665721)}