.nav-contenido {
    width: 100%;
    background-color: #333;
}

nav {
    background-color: #333;
    width: 1200px;
    margin: 0 auto;
}
nav ul {
    list-style-type: none;
}
nav ul li {
    display: inline;
    margin: 0 10px;
}

.sticky-nav {
    position: fixed;
    top: -60px;
    left: 0;
    width: 100%;
    background-color: #333;
    color: white;
    padding: 10px;
    transition: top 0.3s;
    z-index: 1000;
}
.sticky-nav ul {
    list-style-type: none;
    text-align: center;
}
.sticky-nav ul li {
    display: inline;
    margin: 0 10px;
}
.sticky-nav a {
    color: white;
    text-decoration: none;
}

.menu {
    background-color: #333;
    overflow: hidden;
    font-size:12px;
}

.menu ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

.menu ul li {
    float: left;
    position: relative;
}

.menu ul li a {
    display: block;
    color: white;
    text-align: center;
    padding: 10px 5px;
    text-decoration: none;
}

.menu ul li a:hover {
    background-color: #111;
}

.submenu {
    display: none;
    position: absolute;
    background-color: #333;
    min-width: 160px;
    z-index: 1;
}

.submenu li {
    float: none;
}

.submenu li a {
    padding: 12px 16px;
}

.menu ul li:hover .submenu {
    display: block;
    animation: slide-down 0.5s ease-in-out;
}

@keyframes slide-down {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hamburger {
    font-size: 30px;
    cursor: pointer;
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}


.side-menu {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 1002;
    top: 0;
    left: 0;
    background-color: #111;
    overflow-x: hidden;
    transition: 0.5s;
    padding-top: 60px;
}

.side-menu a {
    padding: 8px 8px 8px 32px;
    text-decoration: none;
    font-size: 25px;
    color: #818181;
    display: block;
    transition: 0.3s;
}

.side-menu a:hover {
    color: #f1f1f1;
}

.side-menu .closebtn {
    position: absolute;
    top: 0;
    right: 25px;
    font-size: 36px;
    margin-left: 50px;
}

@media screen and (max-width: 1100px) {
    .sticky-nav nav {
        display: none;
    }
    .hamburger {
        display: block;
    }
}