*,
html {
    margin: 0px;
    padding: 0px;
    font-family: 'Times New Roman';
}
body {
    font-family: 'Times New Roman';
    font-size: 20px;
    color: black;
    background-color: greenyellow;
}

h1 {
    font-family: 'Times New Roman';
    font-size: 40px;
    color: black;
}
div {
    font-family: 'Times New Roman';
    font-size: 20px;
}
div.tekst {
    font-family: 'Times New Roman';
    font-size: 20px;
    width: 700px;
    border: 5px solid green;
    padding: 10px;
    margin: auto;
}
div.navContainer {
        font-family: Arial;
        font-size: 15px;
        color: black;
        background-color: greenyellow;
        width: 650px;
        border: 3px solid green;
        padding: 10px;
        margin: 10px;
    }
a {
    text-decoration: none;
    /*Remove underline on anchors*/
}

ul {
    background-color: greenyellow;
    list-style: none;
    /* Rmove list styles*/
}
/*-- parent nav--*/

.navContainer {
    background: #16acff;
    padding: 1px;
}

    .navContainer nav {
        max-width: 920px;
        margin: auto;
    }

.navContainer nav > ul > li {
            display: inline-block;
        }


.navContainer nav li > a {
            display: block;
            position: relative;
            padding: 1px 0px;
            border-bottom: 1px solid #ccc;
            min-width: 160px;
            background: #f0f0f0;
            color: #555;
            text-align: left;
            -webkit-border-radius: 3px;
            -moz-border-radius: 3px;
 /*--       -o-border-radius: 3px;
            -ms-border-radius: 3px; */
            border-radius: 1px;
        }

nav > ul > li > ul {
    position: absolute;
    border: 1px solid #16acff
}
nav > ul > li > ul {
    position: absolute;
    border: 1px solid #16acff;
    display: none
}

    nav > ul > li > ul > li > ul,
    nav > ul > li > ul > li > ul > li > ul {
        position: absolute;
        left: 100%;
        width: 160px;
        top: 0px;
        display: none;
        z-index: 2;
        border: 1px solid #16acff;
    }

  /*-- Display on hover--*/

        nav > ul > li:hover > ul,
        nav > ul > li > ul > li:hover > ul,
        nav > ul > li > ul > li > ul > li:hover ul {
            display: block;
        }
nav li {
    position: relative;
}

nav > ul > li > ul > li {
    width: 160px
}
nav > ul > li:after {
    content: '';
    height: 1px;
    width: 1px;
    background: #000;
    color: black;
    opacity: 0;
    bottom: 0px;
    left: 0px;
    position: absolute;
}

nav > ul > li:hover:after {
    content: '';
    opacity: 1;
    height: 2px;
    width: 100%;
    transition: 0.5s;
}
 Animation
 /*
@keyframes threeD {
    0% {
        transform: perspective( 400px) rotateY( 0deg);
        opacity: 0;
        left: 150%;
        top: 150%;
    }

    20% {
        transform: perspective( 400px) rotateY( -45deg);
        opacity: 0.2;
        left: 140%;
        top: 140%;
    }

    40% {
        transform: perspective( 400px) rotateY( -45deg);
        opacity: 0.4;
        left: 130%;
        top: 130%;
    }

    60% {
        transform: perspective( 400px) rotateY( -45deg);
        opacity: 0.6;
        left: 120%;
        top: 120%;
    }

    80% {
        transform: perspective( 400px) rotateY( -45deg);
        opacity: 0.8;
        left: 110%;
        top: 110%;
    }

    100% {
        transform: perspective( 400px) rotateY( -45deg);
        left: 100%;
        top: 100%;
        opacity: 1;
    }
}
*/
nav > ul > li > ul > li > ul,
nav > ul > li > ul > li > ul > li > ul {
    position: absolute;
    left: 100%;
    width: 140px;
    top: 0px;
    display: none;
    z-index: 2;
    border: 1px solid #16acff;
    /* animation name */

    -webkit-animation: threeD .1s;
    /* Chrome, Safari, Opera */

    animation: threeD .1s;
}