.tf-md-lazy-load {
    position: relative;
    overflow: hidden;
    margin: 10px 0;
    height: 60px;
}
.tf-md-lazy-load-extend {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    font-size: 16px;
    line-height: 54px;
    text-align: center;
    border: 3px solid #000;
    background: rgb(71 71 71);
    cursor: pointer;
    opacity: 0.5;
    z-index: 100;
}
.tf-md-lazy-load-loading {
    display: flex;
    margin: 10px;
    height: 60px;
    align-items: center;
    justify-content: center;
}
.tf-md-lazy-load-extend {
    display: none;
}
.tf-md-lazy-load-content {
    display: none;
}
.tf-md-lazy-load-state-loaded {
    height: auto;
}
.tf-md-lazy-load-state-loaded .tf-md-lazy-load-loading {
    display: none;
}
.tf-md-lazy-load-state-loaded .tf-md-lazy-load-extend {
    display: block;
}
.tf-md-lazy-load-state-loaded .tf-md-lazy-load-content {
    display: block;
}
.tf-md-lazy-load-state-extend {
    height: auto;
}
.tf-md-lazy-load-state-extend .tf-md-lazy-load-loading {
    display: none;
}
.tf-md-lazy-load-state-extend .tf-md-lazy-load-content {
    display: block;
}