Inner Width Experiment 2
HTML
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
CSS
div {
width: calc( calc(100vw - 80px) / 7);
height: 50px;
display: inline-block;
border: 0px solid;
background-color: red;
}
JavaScript
var itemWidth = (window.innerWidth - 80) / 7;
console.log(itemWidth);