.logotipo{filter:grayscale(100%);opacity:.5;transition:0.6s;-webkit-transition:.6s;-moz-transition:.6s}.logotipo:hover{filter:grayscale(0%);opacity:1;margin-top:-8px;-webkit-box-shadow:0px 20px 26px -9px rgba(0,0,0,0.75);-moz-box-shadow:0px 20px 26px -9px rgba(0,0,0,0.75);box-shadow:0px 20px 26px -9px rgba(0,0,0,0.75)}