nav ul {
    background: #f2e6ff;
	background-image: url("kelta2.jpg");
    font-size: 0;
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: center;
    width: 100%;
}
nav li {
    display: inline-block;
    margin: 0;
    padding: 0;
    position: relative;
    min-width: ;
}
nav a {
    background: #f2e6ff;
	background-image: url("kelta2.jpg");
    color: #444;
    display: block;
    font: 19px/50px sans-serif;
    padding: 0 15px;
    text-align: center;
    text-decoration: none;
    -webkit-transition: all .25s ease;
       -moz-transition: all .25s ease;
        -ms-transition: all .25s ease;
         -o-transition: all .25s ease;
            transition: all .25s ease;
}
nav .dropdown:after {
    content: ' \25bc';
}
nav li:hover a {
    background: #ffe6cc;
}
nav li ul {
    left: 0;
    opacity: 0;
    position: absolute;
    top: 35px;
    visibility: hidden;
    z-index: 1;
    -webkit-transition: all .25s ease;
       -moz-transition: all .25s ease;
        -ms-transition: all .25s ease;
         -o-transition: all .25s ease;
            transition: all .25s ease;
}
nav li:hover ul {
    opacity: 1;
    top: 50px;
    visibility: visible;
}
nav li ul li {
    width: 100%;
}
nav li ul a:hover {
    background: #bbb;
}