check html
<input type="checkbox">html checker
<style>
#checker{
display:flex;
flex-direction:column;
}
.row{
display:flex;
}
.row div{
width:50px;
height:50px;
border:solid;
border-width:1px;
}
.row1 div:nth-child(odd){
background-color:black;
}
.row2 div:nth-child(even){
background-color:black;
}
</style>
<div id='checker'>
<div class='row row1'>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div>
<div class='row row2'>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div>
<div class='row row1'>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div>
<div class='row row2'>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div>
<div class='row row1'>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
</div>
</div>Copyright © 2021 Codeinu
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