* {
    margin: 0px;
    padding: 0px;
}

body {
    overflow-x: hidden;
}

#header {
    margin: auto;
    width: 100%;
    font-family: Arial, Helvetica, sans-serif;
}
.fondo {
    background-color: #000f49;
}

.navbar-nav .nav-item {
    right: 10px;
    position: relative;
    font-size: 15px;
    text-align: center;
}
ul,
ol {
    list-style: none;
}

.navbar-nav>li {
    float: center;
}

.navbar-nav li a {
    background-color: #000f49;
    color: #fff;
    text-decoration: none;
    padding: 10px 12px;
    display: block;
}

.navbar-nav li a:hover {
    background-color: #011a7d;
    transition: all 300ms linear;
}

.navbar-nav li ul {
    display: none;
    position: absolute;
    padding-left: 0;
    min-width: 200px;
    border: none;
    background-color: none;
}

.navbar-nav li:hover>ul {
    display: block;
    border: none;
    background-color: #000f49;
}

.navbar-nav li ul li {
    position: relative;
}

.navbar-nav li ul li ul {
    right: -140px;
    top: 0px;
}