block hover stuff

block hover stuff.css

.demo-block {
    position: relative;
    overflow: hidden;
}

.demo-block img {
    transform: scale(1.02);
    transition: transform .2s;
}

.demo-block:hover img {
    transform: scale(1.3);
}

.demo-block-overlay {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: rgba(0,0,0,0.1);
    transition: all .2s;
}

.demo-block:hover .demo-block-overlay {
    background: rgba(0,0,0,0.5);
}

.demo-block-text {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 30px;
    text-align: center;
    opacity: 0;
    transition: all .2s;
}

.demo-block:hover .demo-block-text {
    opacity: 1;
}

.demo-block-text h3 {
    color: #ffffff;
    font-size: 50px;
}

.demo-block-text h3 .fa {
    color: #cccccc;
    margin-right: 15px;
}