html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
}
.oswald {
    font-family: 'Oswald', sans-serif;
}
.oswald_bold {
    font-family: 'Oswald', sans-serif;
    font-weight: 600;
}
.roboto {
    font-family: 'Roboto', sans-serif;
}
#simple_nav a {
    color: black;
    font-size: 1em;
    font-weight: 600;
    text-decoration: none;
}
#simple_nav a:hover {
    color: #FF0000;
}
#simple_nav a:active {
    color: #FF0000;
}
#scroll_top {
    display: none;
    cursor: pointer;
    position: fixed;
    bottom: 20px;
    right: 30px;
    z-index: 99;
    width: 60px;
    height: 60px;
    background-color: #FF0000;
    color: white;
    border: none;
}