revision:
code:
<div class="panel">
<div>Size: [<span>7vw</span>] <input type="range" min="1" max="20" step="1" value="7" name="s"></div>
<div>Ratio: [<span>1</span>] <input type="range" min="0" max="2" step="0.05" value="1" name="r"></div>
<div>Spacing: [<span>0.25vw</span>]<input type="range" min="0" max="2" step="0.1" value="1" name="mv"></div>
<div>Clip-path<br>
hc: [<span>0.25</span>]<input type="range" min="0" max=".5" step=".05" value=".25" name="h"><br>
vc: [<span>0.15</span>]<input type="range" min="0" max=".5" step=".05" value=".15" name="v">
</div>
</div>
<div class="main">
<div class="container">
<div><img src="../images/1.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/2.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/3.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/4.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/5.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/1a.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/2a.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/3a.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/4a.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/5a.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/1S.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/2S.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/3aa.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/3s.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/4a.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/4s.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/5a.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/6.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/7.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/8.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/9.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/6a.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/7a.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/8a.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/9a.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/10.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/10a.jpg" alt=holiday" width="100%" height="100%"/></div>
<div><img src="../images/11.jpg" alt=holiday" width="100%" height="100%"/></div>
</div>
</div>
<style>
.main {display: grid; grid-template-columns: repeat(auto-fit,calc(var(--s) + 2*var(--mh))); justify-content:center; --s: 10vw; --r: 1.5; --h: 0.25; --v: 0.35; --hc:calc(clamp(0,var(--h),0.5) * var(--s)) ;
--vc:calc(clamp(0,var(--v),0.5) * var(--s) * var(--r)); --mv: 0.25vw; --mh: calc(var(--mv) + (var(--s) - 2*var(--hc))/2); --f: calc(2*var(--s)*var(--r) + 4*var(--mv) - 2*var(--vc) - 2px);}
.container {grid-column: 1/-1; font-size: 0;}
.container div { width: var(--s); margin: var(--mv) var(--mh); height: calc(var(--s)*var(--r)); display: inline-block; font-size:initial;clip-path: polygon(var(--hc) 0, calc(100% - var(--hc)) 0,100% var(--vc),100% calc(100% -
var(--vc)), calc(100% - var(--hc)) 100%,var(--hc) 100%,0 calc(100% - var(--vc)),0 var(--vc));background: red; margin-bottom: calc(var(--mv) - var(--vc)); }
.container div:nth-child(odd) { background:green}
.container::before{content: ""; width: calc(var(--s)/2 + var(--mh)); float: left; height: 200%; shape-outside: repeating-linear-gradient(#0000 0 calc(var(--f) - 2px), #000 0 var(--f));}
.panel {position: relative;width: 20vw;top: 2vw; left: 2vw;padding: 1vw;border: 0.1vw solid;border-radius: 1vw;background-color: skyblue; font-family: Helvetica, sans-serif;opacity: .5; margin-bottom: 2vw;}
.panel:hover {opacity:1}
.panel > div:not(:last-child) {border-bottom: 0.1vw solid;padding-bottom: 1vw;margin-bottom: 1vw;}
*,*::before {transition:0.5s linear;}
img:hover{scale: 2;}
</style>
<script>
let inputs = document.querySelectorAll('input[type=range]')
let elem = document.querySelector('.main')
inputs.forEach(input => {
input.addEventListener('change', function(e) {
var p = e.target.getAttribute('name');
if(p=="s" || p=="mv") {
elem.style.setProperty("--"+p, this.value+"vw");
e.target.previousElementSibling.innerHTML = this.value+"vw";
} else {
elem.style.setProperty("--"+p, this.value);
e.target.previousElementSibling.innerHTML = this.value;
}
});
});
</script>