/* Background */
.nav_background_container {
    width:100vw;
    height:100vh;
    scroll-snap-align: center;
    
}
.nav_background {
    background-image: url(https://static.igem.wiki/teams/4336/wiki/wiki/banner/bannernotitle.jpg);
    backdrop-filter:brightness(200%);
    background-size:cover;
    background-position:center;
    background-repeat:no-repeat;
    clip-path: ellipse(100vw 85vh at 50% 0%);
    scroll-snap-align: center;
    display:inline-block;
    margin-top:0;

}
/* Arrow on Background*/
.arrow {
    margin-top:25vh;
    margin-left:auto;
    margin-right:auto;
    background:white;
    width:5vw;
    height:5vw;
    border-radius:50%;
    position:relative;
    box-shadow: 0 0 1vw 0vw rgba(0, 0, 0, .2);
    transition: 1s ease;
    cursor: pointer;
    z-index:100;
}
.arrow:hover {
    box-shadow: 0 0 4vh 0vh rgba(0, 0, 0, .5);
    transition: .8s ease;
}
.arrow p{
    color:black;
    position:absolute;
    width:2vw;
    height:2vw;
    border-top: 3px solid;
    border-left: 3px solid;
    transform:rotate(225deg);
    left:1.45vw;
    top:1.2vw;
}
/* Navbar Background*/
.nav_content {
    width:100vw;
    height:10vh;
    margin:0;
    position:fixed;
    z-index: 10000000000;;
    background-color:rgb(0, 0, 0, 0);
    top:0;

    z-index: 10000!important;
    scroll-snap-align:center;
}
.nav_content:hover {
    height:46vh;
    padding-bottom:36vh;
}
/* Navbar*/
nav {
    padding:0;
    margin:0;
    
    display:flex;
    flex-direction: row;
    align-items:center;
}
.dropdown {
    margin:0;
    margin-left:5vw;
    padding:0;
    display:flex;
    flex-direction:row;
    justify-content:center;
    align-items:center;
    list-style-type:none;
}
/* Dropbutton Title*/
.dropbutton {
    margin:0;
    padding:0;
    margin-right:3.5vw;
    display:flex;
    flex-direction:row;
    justify-items: left;
    align-items:bottom; 
}
.index-logo {
    padding:0;
    width:5vw;
    margin:0;
}
.dropbutton-title {
    margin:0;
    z-index:20;
    position:relative;
    font-family:  'IBM Plex Sans', sans-serif;
}
.dropbutton-title a{
    color:#fff;
    background-color: rgba(0, 0, 0, 0);
    border:none;
    cursor: pointer;
    position:relative;
    font-size: 1.5vw;
    text-decoration:none;
    padding-left:.4vw;
    font-family:  'IBM Plex Sans', sans-serif;
}
/* Dropbutton Title Underline*/
.dropbutton-title a:after{
    color:#fff;
    content:"";
    background-color:#513681;
    height:.4vh;
    bottom:-.7vh;
    width:0%;
    position:absolute;
    left:0;
    transition: 1s ease-out;
}
.dropbutton-title a:hover:after{
    width:100%;
    background-color:#f66587;
}
.dropbutton:hover .dropbutton-title a:after{
    width:100%;
    background-color:#f66587;
}

/* Dropbutton Content */
.dropbutton-content {
    display:none!important;
    padding-top:6vh;
    position: absolute;
    background-color: rgba(0, 0, 0, 0);

    flex-direction:column;
    justify-content:space-around;
    align-items:flex-start;
    margin-left:.25vw;
    z-index:100;
    width:30%;

}
.dropbutton-content a {
    color:#fff;
    border:none;
    cursor: pointer;
    font-size: 1.5vw;
    text-decoration:none;
    margin-bottom:.6vh;
    font-family:  'IBM Plex Sans', sans-serif;
}

.dropbutton:hover .dropbutton-content {
    transition: 1s ease-in;
    display:inline-flex !important;
}
.dropbutton-title:hover .dropbutton-content {
    transition: 1s ease-in;
    display:inline-flex !important;
}
.dropbutton-content:hover .dropbutton-content {
    transition: 1s ease-in;
    display:inline-flex !important;
}

.navbar-fixed-top.scrolled {
    background-color:#fff !important;
    transition: background-color 200ms linear;
    box-shadow: 0 0 12px rgba(0, 0, 0, .6)
}
.navbar-fixed-top.scrolled .dropbutton-title a {
    color: #25183a !important;
}
.navbar-fixed-top.scrolled .dropbutton-content a {
    color: #25183a !important;
}



.navbar-fixed-top.scrolled:hover {
    background-color:#dcedff !important;
    transition: background-color 1s ease-in;
}
.navbar-fixed-top.scrolled:hover .dropbutton-title a {
    color: #25183a !important;
}
.navbar-fixed-top.scrolled:hover .dropbutton-title a:after {
    background-color: #5d4fe3 !important;
}
.navbar-fixed-top.scrolled:hover .dropbutton-title a:hover:after {
    background-color: #fff !important;
}
.navbar-fixed-top.scrolled:hover .dropbutton-content a {
    color: #25183a !important;
}