*{padding:0;margin:0;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}.foto img{border:1px solid #ddd;border-radius:20px;padding:5px;width:100%;max-width:400px;height:auto}
.foto img:hover{box-shadow:0 0 2px 1px rgba(0,0,0,0.5);filter:saturate(140%)}