Check out example codes for "media query min and max". It will help you in understanding the concepts better.

Code Example 1

/* Max-width */
@media only screen and (max-width: 600px)  {...}

/* Min-width */
@media only screen and (min-width: 600px)  {...}

/* Combining media query expressions */
@media only screen and (max-width: 600px) and (min-width: 400px)  {...}

Code Example 2

<style type="text/css">
    /* default styles here for older browsers. 
       I tend to go for a 600px - 960px width max but using percentages
    */
    @media only screen and (min-width: 960px) {
        /* styles for browsers larger than 960px; */
    }
    @media only screen and (min-width: 1440px) {
        /* styles for browsers larger than 1440px; */
    }
    @media only screen and (min-width: 2000px) {
        /* for sumo sized (mac) screens */
    }
    @media only screen and (max-device-width: 480px) {
       /* styles for mobile browsers smaller than 480px; (iPhone) */
    }
    @media only screen and (device-width: 768px) {
       /* default iPad screens */
    }
    /* different techniques for iPad screening */
    @media only screen and (min-device-width: 481px) and (max-device-width: 1024px) and (orientation:portrait) {
      /* For portrait layouts only */
    }

    @media only screen and (min-device-width: 481px) and (max-device-width: 1024px) and (orientation:landscape) {
      /* For landscape layouts only */
    }
</style>

Code Example 3

Max Media Query

Code Example 4

@media (max-width: 989px) and (min-width: 768px) {}

Code Example 5

/* Set the background color of body to tan */
body {
  
  background-color: tan;
}

/* On 
  screens that are 992px or less, set the background color to blue */
@media 
  screen and (max-width: 992px) {
  body {
    
  background-color: blue;
  }
}

/* On screens that are 600px or less, 
  set the 
  background color to olive */
@media screen and (max-width: 600px) {
  
  body {
    background-color: olive;
  }
}

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