Zoom disc

zoom.css

.ch-grid {
    margin: 20px 0 0 0;
    padding: 0;
    list-style: none;
    display: block;
    text-align: center;
    width: 100%;
}
 
.ch-grid:after,
.ch-item:before {
    content: '';
    display: table;
}
 
.ch-grid:after {
    clear: both;
}
 
.ch-grid li {
    width: 220px;
    height: 220px;
    display: inline-block;
    margin: 20px;
}

.ch-item {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    cursor: default;
    -webkit-box-shadow: 
        inset 0 0 0 16px rgba(255,255,255,0.6),
        0 1px 2px rgba(0,0,0,0.1);
    -moz-box-shadow: 
        inset 0 0 0 16px rgba(255,255,255,0.6),
        0 1px 2px rgba(0,0,0,0.1);
    -ms-box-shadow: 
        inset 0 0 0 16px rgba(255,255,255,0.6),
        0 1px 2px rgba(0,0,0,0.1);
    -o-box-shadow: 
        inset 0 0 0 16px rgba(255,255,255,0.6),
        0 1px 2px rgba(0,0,0,0.1);
    box-shadow: 
        inset 0 0 0 16px rgba(255,255,255,0.6),
        0 1px 2px rgba(0,0,0,0.1);    
    -webkit-transition: all 0.4s ease-in-out;
    -moz-transition: all 0.4s ease-in-out;
    -ms-transition: all 0.4s ease-in-out;
    -o-transition: all 0.4s ease-in-out;
    transition: all 0.4s ease-in-out;
}

.ch-img-1 { 
    background-image: url(../images/1.jpg);
}
 
.ch-img-2 { 
    background-image: url(../images/2.jpg);
}
 
.ch-img-3 { 
    background-image: url(../images/3.jpg);
}

.ch-info {
    position: absolute;
    background: rgba(63,147,147, 0.8);
    width: inherit;
    height: inherit;
    border-radius: 50%;
    overflow: hidden;
    opacity: 0;
    -webkit-transition: all 0.4s ease-in-out;
    -moz-transition: all 0.4s ease-in-out;
    -ms-transition: all 0.4s ease-in-out;
    -o-transition: all 0.4s ease-in-out;
    transition: all 0.4s ease-in-out;
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -ms-transform: scale(0);
    -o-transform: scale(0);
    transform: scale(0);
}

.ch-info h3 {
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 22px;
    margin: 0 30px;
    padding: 45px 0 0 0;
    height: 140px;
    font-family: 'Open Sans', Arial, sans-serif;
    -webkit-text-shadow: 
        0 0 1px #fff, 
        0 1px 2px rgba(0,0,0,0.3);
    -moz-text-shadow: 
        0 0 1px #fff, 
        0 1px 2px rgba(0,0,0,0.3);
    -ms-text-shadow: 
        0 0 1px #fff, 
        0 1px 2px rgba(0,0,0,0.3);
    -o-text-shadow: 
        0 0 1px #fff, 
        0 1px 2px rgba(0,0,0,0.3);
    text-shadow: 
        0 0 1px #fff, 
        0 1px 2px rgba(0,0,0,0.3);    
}

.ch-info p {
    color: #fff;
    padding: 10px 5px;
    font-style: italic;
    margin: 0 30px;
    font-size: 12px;
    border-top: 1px solid rgba(255,255,255,0.5);
    opacity: 0;
    -webkit-transition: all 1s ease-in-out 0.4s;
    -moz-transition: all 1s ease-in-out 0.4s;
    -ms-transition: all 1s ease-in-out 0.4s;
    -o-transition: all 1s ease-in-out 0.4s;
    transition: all 1s ease-in-out 0.4s;
}

.ch-info p a {
    display: block;
    color: rgba(255,255,255,0.7);
    font-style: normal;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 9px;
    letter-spacing: 1px;
    padding-top: 4px;
    font-family: 'Open Sans', Arial, sans-serif;
}
 
.ch-info p a:hover {
    color: rgba(255,242,34, 0.8);
}

.ch-item:hover {
    -webkit-box-shadow: 
        inset 0 0 0 1px rgba(255,255,255,0.1),
        0 1px 2px rgba(0,0,0,0.1);
    -moz-box-shadow: 
        inset 0 0 0 1px rgba(255,255,255,0.1),
        0 1px 2px rgba(0,0,0,0.1);
    -ms-box-shadow: 
        inset 0 0 0 1px rgba(255,255,255,0.1),
        0 1px 2px rgba(0,0,0,0.1);
    -o-box-shadow: 
        inset 0 0 0 1px rgba(255,255,255,0.1),
        0 1px 2px rgba(0,0,0,0.1);
    box-shadow: 
        inset 0 0 0 1px rgba(255,255,255,0.1),
        0 1px 2px rgba(0,0,0,0.1);    
}

.ch-item:hover .ch-info {
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    -o-transform: scale(1);
    transform: scale(1);
    opacity: 1;
}

.ch-item:hover .ch-info p {
    opacity: 1;
}

zoom.html

<ul class="ch-grid">
    <li>
        <div class="ch-item ch-img-1">
            <div class="ch-info">
                <h3>Use what you have</h3>
                <p>by Angela Duncan <a href="http://drbl.in/eOPF">View on Dribbble</a></p>
            </div>
        </div>
    </li>
    <li>
        <div class="ch-item ch-img-2">
            <div class="ch-info">
                <h3>Common Causes of Stains</h3>
                <p>by Antonio F. Mondragon <a href="http://drbl.in/eKMi">View on Dribbble</a></p>
            </div>
        </div>
    </li>
    <li>
        <div class="ch-item ch-img-3">
            <div class="ch-info">
                <h3>Pink Lightning</h3>
                <p>by Charlie Wagers <a href="http://drbl.in/ekhp">View on Dribbble</a></p>
            </div>
        </div>
    </li>
</ul_