# CSS (disambiguation)

CSS, or Cascading Style Sheets, is a language used to describe the style of document presentations in web development.
CSS may also refer to:

## Computing and telecommunications

* Chirp spread spectrum, a modulation concept, part of the standard IEEE 802.15.4aCSS
* Closed source software, software that is not distributed with source code; also known as proprietary software
* Computational social science, academic sub-disciplines concerned with computational approaches to the social sciences
* Content Scramble System, an encryption algorithm in DVDs
* Content Services Switch, a family of load balancers produced by Cisco
* CSS code, a type of error-correcting code in quantum information theory

## Arts and entertainment

* Campus SuperStar, a popular Singapore school-based singing competition
* Chicken Soup for the Soul, an American publisher
* Closed Shell Syndrome, a fictional disease in the Ghost in the Shell television series
* Comcast/Charter Sports Southeast, a defunct southeast U.S. sports cable television network
* Counter-Strike: Source, an online first-person shooter computer game
* CSS (band), Cansei de Ser Sexy, a Brazilian electro-rock band

## Government

* Canadian Survey Ship, of the Canadian Hydrographic Service
* Center for Strategic Studies in Iran
* Central Security Service, the military component of the US National Security Agency
* Central Superior Services of Pakistan
* Chicago South Shore and South Bend Railroad, a U.S. railroad
* Committee for State Security (Bulgaria), a former name for the Bulgarian secret service
* KGB, the Committee for State Security, the Soviet Union's security agency
* Supreme Security Council of Moldova, named Consiliul Suprem de Securitate (CSS) in Romanian

## Military

* Combat service support
* Combat sidestroke, a swimming stroke used by Navy SEALs
* Confederate Secret Service, the secret service operations of the Confederate States of America during the American Civil War
* Confederate States Ship, a ship of the historical naval branch of the Confederate States armed forces
* Dongfeng missile, a Chinese surface-to-surface missile system (NATO designation code CSS)
* HNLMS Den Helder (A834), a ship under construction for the Dutch navy, also known as a Combat Support Ship (CSS).

## Schools and education

* Centennial Secondary School (disambiguation)
* Certificat de Sécurité Sauvetage, the former name of Certificat de formation à la sécurité, the French national degree required to be flight attendant in France
* Chase Secondary School, British Columbia, Canada
* Clementi Secondary School, Hong Kong SAR, China
* College of Social Studies, at Wesleyan University, Middletown, Connecticut, USA
* College of St. Scholastica, Duluth, Minnesota, USA
* Colorado Springs School, Colorado Springs, CO, USA
* Columbia Secondary School, New York, NY, USA
* Commonwealth Secondary School, Jurong East, Singapore
* Courtice Secondary School, Courtice, Canada
* Crockett State School, juvenile correctional facility in Crockett, Texas, USA
* CSS Profile, College Scholarship Service Profile, a U.S. student aid application form

## Space

* Chinese space station, a modular space station project
* Catalina Sky Survey, an astronomical survey
* Commercial space station
* Control stick steering, a method of flying the Space Shuttle manually

## Other organisations

* CS Sfaxien, a Tunisian sport club
* Comcast/Charter Sports Southeast, a cable-exclusive regional sports television network
* Citizens Signpost Service, a body of the European Commission
* Community Service Society of New York
* Congregation of the Sacred Stigmata, or Stigmatines, a Catholic religious order
* Cryptogamic Society of Scotland, a Scottish botanical research society

## Medicine and health science

* Cancer-specific survival, survival rates specific to cancer type
* Cytokine storm syndrome
* Churg–Strauss syndrome, a type of autoimmune vasculitis, also known as eosinophilic granulomatosis with polyangiitis
* Cross-sectional study, a study collecting data across a population at one point in time
* Coronary steal syndrome, the syndrome resulting from the blood flow problem called coronary steal
* Carotid sinus syndrome (carotid sinus syncope)—see Carotid sinus § Disease of the carotid sinus

## Other uses

* Chessington South railway station, a National Rail station code in England
* Chicago South Shore and South Bend Railroad, a freight railroad between Chicago, Illinois, and South Bend, Indiana
* Constant surface speed, a mode of machine tool operation, an aspect of speeds and feeds
* Context-sensitive solutions, in transportation planning
* Customer satisfaction survey, a tool used in customer satisfaction research
* Cyclic steam stimulation, an oil field extraction technique; see Steam injection (oil industry)
* Cab Signaling System, a train protection system
* Close-space sublimation, a method for producing thin film solar cells, esp. Cadmium telluride
* Competition Scratch Score, an element of the golf handicapping system in the United Kingdom and Republic of Ireland
* The ISO 639-3 code for Southern Ohlone, also known as Costanoan, an indigenous language or language family spoken in California
* Chowk Sarwar Shaheed (CSS), a city in Punjab, Pakistan