.div {
    font-size: 50px;
    font-family: Calibri;
    background-color: lightyellow;
}

.h1 {
    font-size: 20px;
    font-family: Calibri;
}

.footer {
    text-align: center;
    background-color: gray;
    color: white;
    font-size: 1em;
    width: 100%;
    height: 30px;
    overflow: hidden;
}

.nav {
    background-color: gray;
    direction: rtl;
}

/*.dropdown-menu {

}

.rtl-menu {
    direction: rtl;
}*/