* {
    margin: 0;
    padding: 0;
}

header {
    border-bottom-style: groove;
}

nav {
    height: 90px;
    background-color: #1C2833;
}

.menuMain {
    display: flex;
    list-style: none;
    padding-top: 25px;
    justify-content: space-evenly;
}

.menuMain li a {
    text-decoration: none;
    font-size: 25px;
    color: whitesmoke;
    cursor: pointer;
    position: relative;
    font-family: 'Roboto Slab', serif;
    font-weight: 400;

}

.menuMain li a::after {
    display: block;
    content: "";
    height: 3px;
    width: 0%;
    background-color: whitesmoke;
    left: 50%;
    position: absolute;
    -webkit-transition: width .3s ease-in-out;
    -moz--transition: width .3s ease-in-out;
    transition: width .3s ease-in-out;
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    transform: translateX(-50%);
}

.menuMain li a:hover:after,
.menuMain li a:focus:after {
    width: 100%;
}

.Hidden {
    display: none;
}

.Dropdown {
    display: block;
    color: whitesmoke;
    list-style: none;
    margin-top: 10px;
}

.Dropdown li a{
    font-size: 20px;
}
#greeting{
    color:whitesmoke; 
    float:right;
    font-size: 18px;
    padding:10px;
}