不同大小的图片和img-响应式-如何设置响应式div？

@media (max-width: 600px) {
  .responsive-img {
    width: 100%;
  }
}

@media (min-width: 601px) {
  .responsive-img {
    width: 50%;
  }
}

<div class="flex-container">
  <img src="image.jpg" alt="Responsive Image" class="responsive-img">
  <div class="content">Content</div>
</div>

.flex-container {
  display: flex;
  flex-wrap: wrap;
}

.responsive-img {
  flex: 1 1 100%;
  max-width: 100%;
}

.content {
  flex: 1 1 100%;
}

<div class="grid-container">
  <img src="image.jpg" alt="Responsive Image" class="responsive-img">
  <div class="content">Content</div>
</div>

.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  grid-gap: 10px;
}

.responsive-img {
  width: 100%;
}

.content {
  width: 100%;
}