正如标题所说。 如何模糊容器的背景图像而不模糊前面的文本？

<div class="card"> <div class="head"> <div class="title"> <span>Card Title</span> </div> </div> <div class="body-container"> <div class="body"> <div class="content"> <span>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</span> </div> </div> </div> </div>

.container a .body-container { background-image: url("https://i2.wp.com/digital-photography-school.com/wp-content/uploads/2019/02/Landscapes-01-jeremy-flint.jpg"); filter: blur(1px); }

body,
html { height: 100%; margin: 0; font-family: Arial, Helvetica, sans-serif; } * { box-sizing: border-box; } .bg-image { /* The image used */ background-image: url("https://i2.wp.com/digital-photography-school.com/wp-content/uploads/2019/02/Landscapes-01-jeremy-flint.jpg"); /* Add the blur effect */ filter: blur(8px); -webkit-filter: blur(8px); /* Full height */ height: 100%; /* Center and scale the image nicely */ background-position: center; background-repeat: no-repeat; background-size: cover; } /* Position text in the middle of the page/image */ .bg-text { background-color: rgb(0, 0, 0); /* Fallback color */ background-color: rgba(0, 0, 0, 0.4); /* Black w/opacity/see-through */ color: white; font-weight: bold; border: 3px solid #f1f1f1; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 2; width: 80%; padding: 20px; text-align: center; }

<div class="bg-image"></div> <div class="bg-text"> <h2>Blurred Background</h2> <h1 style="font-size:50px">I am John Doe</h1> <p>And I'm a Photographer</p> </div>