index.html

<!DOCTYPE html>
<html lang="en" dir="ltr">
  <head>
    <meta charset="utf-8">
    <title></title>
    <link rel="stylesheet" href="style.css">
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js" charset="utf-8"></script>
  </head>
  <body>
    <div class="product-card">
      <h1>Original Shoes</h1>
      <p>Lorem ipsum dolor sit amet</p>
      <div class="product-pic"></div>
      <div class="product-colors">
        <span class="blue active" data-color="#7ed6df" data-pic="url(1.png)"></span>
        <span class="green" data-color="#badc58" data-pic="url(2.png)"></span>
        <span class="yellow" data-color="#f9ca24" data-pic="url(3.png)"></span>
        <span class="rose" data-color="#ff7979" data-pic="url(4.png)"></span>
      </div>
      <div class="product-info">
        <div class="product-price">$90</div>
        <a href="#" class="product-button">Add to Cart</a>
      </div>
    </div>

    <script>
      $(".product-colors span").click(function(){
        $(".product-colors span").removeClass("active");
        $(this).addClass("active");
        $("body").css("background",$(this).attr("data-color"));
        $(".product-price").css("color",$(this).attr("data-color"));
        $(".product-button").css("color",$(this).attr("data-color"));
        $(".product-pic").css("background-image",$(this).attr("data-pic"));
      });
    </script>
  </body>
</html>

style.css

*{
  margin: 0;
  padding: 0;
  font-family: "Open Sans",sans-serif;
  box-sizing: border-box;
}

body{
  background: #7ed6df;
  transition: 0.6s linear;
}

.product-card{
  width: 400px;
  background: #ecedef;
  padding: 40px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  text-transform: uppercase;
}
.product-card h1{
  font-size: 22px;
  margin-bottom: 4px;
}
.product-card p{
  font-size: 13px;
  color: #bbb;
}
.product-pic{
  background-image: url(1.png);
  width: 100%;
  height: 200px;
  background-size: cover;
  background-position: center;
  transition: .6s linear;
}
.product-colors{
  margin-bottom: 40px;
  display: flex;
  justify-content: center;
}

.product-colors span{
  width: 14px;
  height: 14px;
  margin: 0 10px;
  border-radius: 50%;
  cursor: pointer;
  position: relative;
}
.blue{
  background: #7ed6df;
}
.green{
  background: #badc58;
}
.yellow{
  background: #f9ca24;
}
.rose{
  background: #ff7979;
}

.product-colors .active:after{
  content: "";
  width: 22px;
  height: 22px;
  border: 2px solid #8888;
  position: absolute;
  border-radius: 50%;
  box-sizing: border-box;
  left: -4px;
  top: -4px;
}
.product-info{
  display: flex;
  align-items: center;
}
.product-price{
  color: #7ed6df;
  font-size: 26px;
}
.product-button{
  margin-left: auto;
  color: #7ed6df;
  text-decoration: none;
  border: 2px solid;
  padding: 8px 24px;
  border-radius: 20px;
  transition: .4s linear;
}

.product-button:hover{
  transform: scale(1.06);
}

让链接同时具备两种打开方式