Background size in css

Background image size css

#example1 {
  background: url(mountain.jpg);
  background-repeat: no-repeat;
  background-size: auto;
}

#example2 {
  background: url(mountain.jpg);
  background-repeat: no-repeat;
  background-size: 300px 100px;
}

How to change the width of a background image in css

#example1 {		/* Example1 has an auto background size */
  background: url(mountain.jpg);
  background-repeat: no-repeat;
  background-size: auto;
}

#example2 {		/* Example2 has an fixed background size */
  background: url(mountain.jpg);
  background-repeat: no-repeat;
  background-size: 300px 100px;
}

How to cover full image in css

body {
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

How to set background automatically with my screen height

body {

    background-image: url("img_tree.gif");

   background-repeat: no-repeat;   
 background-attachment: fixed;
  
   background-position: top center;
  background-size: contain;

 }

Background size in css

Background Size is Responsible for Setting a Background picutre in a given
Contaiener in which you apply that special Background

/* This will make width as static and height as auto */
/* These three are quite same */ 
background-size: 100vw auto;
background-size: 100%;
background-size: cover;


/* for getting full width and height every time */ 
background-size: 100vw 100vh;

Background-size

/* Keyword values */
background-size: cover;
background-size: contain;

/* One-value syntax */
/* Only width of image (height is 'auto') */
background-size: 70%;
background-size: 4rem;
background-size: 50px;
background-size: auto;

/* Two-value syntax */
/* first: width, second: height */
background-size: 70% auto;
background-size: 4rem 25%;
background-size: auto 10px;
background-size: auto auto;

/* Multiple background images */
background-size: auto, auto; /* Not the same as 'auto auto' */
background-size: 70%, 20%, 25%;
background-size: 6rem, auto, contain;

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