{
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
}
html, body {
    margin: 0;
    padding: 0;
}
nav {
	background-image: url("bg.jpg");
	background-attachment: fixed;
	background-position: center;
	background-size: auto;
    position: relative;
    text-align: center;
	font-weight: bold;
}
nav:hover a {
    color: transparent;
    text-shadow: 0 0 3px #ff6600;
}
nav a {
    color: #ff6600;
    display: inline-block;
    font-family: tahoma;
    font-size: 1.25em;
    height: 66px;
    line-height: 66px;
    text-decoration: none;
    transition: all 0.3s ease 0s;
    width: 150px;
}
nav a:hover {
    border-bottom: 5px solid #33a3ff;
    color: #33a3ff;
    text-shadow: none;
}
@media screen and (max-width: 620px) {
    nav a {
        width: 49%;
    }
}
@media screen and (max-width: 300px) {
    nav a {
        width: 100%;
    }
}





background: -moz-linear-gradient(top, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0) 100%); /* FF3.6+ */
background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(0,0,0,0.65)), color-stop(100%,rgba(0,0,0,0))); /* Chrome,Safari4+ */
background: -webkit-linear-gradient(top, rgba(0,0,0,0.65) 0%,rgba(0,0,0,0) 100%); /* Chrome10+,Safari5.1+ */
background: -o-linear-gradient(top, rgba(0,0,0,0.65) 0%,rgba(0,0,0,0) 100%); /* Opera 11.10+ */
background: -ms-linear-gradient(top, rgba(0,0,0,0.65) 0%,rgba(0,0,0,0) 100%); /* IE10+ */
background: linear-gradient(to bottom, rgba(0,0,0,0.65) 0%,rgba(0,0,0,0) 100%); /* W3C */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#a6000000', endColorstr='#00000000',GradientType=0 ); /* IE6-9 */