body, html {
    padding: 0;
    margin: 0;
	 overscroll-behavior: none;
	 font-family:system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif

}

.header{
    position: fixed;
    top: 0;
    left: 50%;
    width: 100%;
    padding: 20px 10%;
    background: transparent;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index:100 ;
}

.navbar a {
    display: inline-block;
    font-size: 18px;
    color: #000000;
    text-decoration: none;
    font-weight: 500;
    margin-left: 35px;
    animation: slideTop .5s ease forwards;
    animation-delay: calc(.2s * var(--i));
	
   
}

.navbar a:hover,
.navbar a.active {
    color: rgb(250, 0, 0);
}

/* for tutorial link only */
.links {
    position: fixed;
    bottom: 10px;
    right: 10px;
    font-size: 18px;
    font-family: sans-serif;
	 background-color: white;
	 padding: 10px;
}
a {
    text-decoration: none;
    color: black;
    margin-left: 1em;
}
a:hover {
    text-decoration: underline;
}
a img.icon {
    display: inline-block;
    height: 1em;
    margin: 0 0 -0.1em 0.3em;
}