bootstrap css grid code example

Example 1: bootstrap breakpoints

// Small devices (landscape phones, 576px and up)
@media (min-width: 576px) { ... }

// Medium devices (tablets, 768px and up)
@media (min-width: 768px) { ... }

// Large devices (desktops, 992px and up)
@media (min-width: 992px) { ... }

// Extra large devices (large desktops, 1200px and up)
@media (min-width: 1200px) { ... }

Example 2: bootstrap grid

One of three columns
One of three columns
One of three columns

Example 3: bootstrap grid



This code will create 4 boxes placed side by side, which will be 
dynamically positioned, according to the size of the screen. We define 
the following behavior: 




class = "col-lg-3"   




class = "col-md-4"   




class = "col-sm-6"  




  
One of four columns
One of four columns
One of four columns
One of four columns

Example 4: bootstrap grid class

col-12 col-sm-4 col-md-3 col-lg-12	col-xl-12

Example 5: .row bootstrap

.row{
    display: flex;
    flex-wrap: wrap;
	margin-right: -15px;
    margin-left: -15px;
}

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Misc Example