JSFiddle - React, Tailwind, and code Playground

by pleinx

HTML

<br><center>Imma schön runter scrollen und resizen...</center><br>

<div class="prod-page">
  <div class="spotlight">
    <img src="http://placehold.it/435x393">
  </div>
  
  <div class="list">
    <ul>
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>      
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>      
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>      
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>      
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>   
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>
      <li><img src="http://placehold.it/80x80"></li>      
      <li><img src="http://placehold.it/80x80"></li>
     ...

CSS

body {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

center {
  font-family: sans-serif;
  font-size: 16px;
}

.prod-page {
  max-width: 1440px;
  min-width: 700px;
  padding: 0 20px;
  text-align: center;
  box-sizing: border-box;
}

.list {
  margin-top: 25px;
  position: relative;
  box-sizing: border-box;
  margin-bottom: 40px;
  
  /* for responsive */
  padding: 0 10%;
  border-top: 1px solid #c7c4b6;
  transition: padding 300ms ease-in-out;
}

/* for responsive */
@media screen and (max-width: 942px) {
  .list {
    padding: 0 5%;
  }
}

@media screen and (max-width: 770px) {
  .list {
    padding: 0;
  }
}

.list ul {
  border-left: 1px solid #c7c4b6;
  border-top: 1px solid #c7c4b6;
  display: inline-block;
  position: relative;
  top: -1px;
  zoom: 1;
  list-style-type: none;
  margin: 0;
  padding: 0;  
}

.list ul li {
  margin: 0;
  padding: 0;
  border: 1px solid #c7c4b6;
  border-left: none;
  border-top: none;
  box-sizing: border-box;
  cursor: pointer;
  float: left;
  width: 64px;
  height: 64px;
  position: relative;
  list-style-type: none;
  margin: 0;
  padding: 0;  
}

.list ul li:hover {
  z-index: 2;
  border: 1px solid orange;
  border-left: none;
  border-top: none;
}

.list ul li:hover::after, 
.list ul li:hover::before {
  background: orange;
  content: " ";
  display: block;
  width: 65px;
  height: 65px;
  position: absolute;
  top: -1px;
  left: -1px;  
}

.list ul li:hover::after {
  width: 1px;
}

.list ul li:hover::before {
  height: 1px;
}

.list img {
  padding: 7px;
  width: 63px;
  height: 63px;
  box-sizing: border-box;
}