.category-child .post-content span {
    color: #fff;
}
.category-child .post-content {
    background-color: rgba(7, 7, 7, 0.65);
    color: #fff;
    margin-top: -30px;
    position: relative;
    text-align: center;
    width: 100%;
    z-index: 1;
    height: 30px;
    overflow: hidden;
}
.thumb img {
    width: 200px;
    height: 150px;
}

.post-content span {
    line-height: 30px;
    position: relative;
    top: -10px;
}