style.css

@charset "UTF-8";

body {
        text-align: center;
        text-transform: uppercase;
        background-color: antiquewhite;
}

ul#minhas-imagens {
    width: 700px;
    margin: 0 auto;
    padding: 50px;
    overflow: hidden;
    list-style: none;
}
ul#minhas-imagens li span {
    opacity: 0;
    color: #ffffff;
    text-shadow: 1px 1px 1px #000000;
    background-color: rgba(0, 0, 0, .3);
    font-size: 15px;
    line-height: 370px;
    padding: 5px;
}
ul#minhas-imagens li:hover {
    transform: scale(1.5);
}
ul#minhas-imagens li:hover span {
    opacity: 1;
}
ul#minhas-imagens li {
    float: left;
    width: 200px;
    height: 200px;
    margin: 10px;
    border: 5px solid black;
    background-color: white;
    box-shadow: 1px 1px 3px rgba(0, 0, 0, .4);
    transition: all .4s ease-in;
}
ul#minhas-imagens li#bbq {
    background: url("bbq-m.png");
    background-position: 50% 50%;
    background-size: 650px 488px;
    background-color: #ffffff;
}
ul#minhas-imagens li#beer {
    background: url("beer-m.png");
    background-position: 50% 50%;
    background-size: 650px 641px;
    background-color: #ffffff;
}
ul#minhas-imagens li#bbq:hover {
    background-position: 0px 0px;
    background-size: 200px 200px;
}
ul#minhas-imagens li#beer:hover {
    background-position: 0px 0px;
    background-size: 200px 200px;
}