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 (CSS) in Romanian

Military Center for Service Support 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) Combat stores ship, Ships that provides supplies and propulsion and aviation fuel to combatant ships

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 Chilliwack 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 Confederation of Sahel States, a confederation in Africa 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 Capital1 Solar Spikers, a Philippine women's volleyball team Capital1 Solar Strikers, a Philippine women's football club 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 Cignal Super Spikers, Philippine volleyball teams owned by Cignal Cignal Super Spikers (women) Cignal Super Spikers (men) Combined Charging System, a standard for electrical vehicle charging stations 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 Comparison Shopping Service, a Google-approved Comparison shopping website

See also Cross-site scripting (XSS)