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clamp() – CSS: Cascading Style Sheets | MDN

The clamp() CSS function clamps a value between an upper and lower bound. clamp() enables selecting a middle value within a range of values between a defined minimum and maximum. It takes three parameters: a minimum value, a preferred value, and a maximum allowed value. The clamp() function can be used anywhere a length, frequency, angle, time, percentage, number, or integer is allowed.