/* 给图片留出一定的高度 */
.card-header{
    height: 240px;
}

/* 增加动画效果 */
.animated-bg {
    background-image: linear-gradient(to right, #f6f7f8 0%, #edeef1 10%, #f6f7f8 20%, #f6f7f8 100%);
    background-size: 200% 100%;
    animation: bgPos 1s linear infinite;
}

.animated-bg-text {
    border-radius: 50px;
    display: inline-block;
    margin: 0;
    height: 10px;
    width: 100%;
}

@keyframes bgPos {
    0% {
        background-position: 50% 0;
    }
    100% {
        background-position: -150% 0;
    }
}