body {
    position: absolute;
    background-color: black;
    display: flex;
    /*justify-content: center;*/
    align-items: center;
    width: 100vw;
    height: 100vh;
    margin: 0;
    flex-direction: column;
    overflow-x: hidden;
    color: white;
  }


html {
    overflow: hidden;
}


#heading{
    width: 90vw;
    margin-top: 5vh;
    margin-bottom: 30px;
}

a {
    top: 3vh;
    position: sticky;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    color: black;
    width: 70vw;
    border-radius: 60px;
    background-color: rgba(255, 255, 255, 1);
    padding: 16px;
    margin: 10px;    
    transition: 300ms;
    border: 2px solid;
    border-color: rgba(255, 255, 255, 0);
    font-family: "Roboto", sans-serif;
    font-weight: 700;
    font-style: normal;
    font-size: 22px;
    mix-blend-mode: screen;
}

a:hover, a:active, .touch-active{
    transition: 300ms;
    background-color: rgba(255, 255, 255, 0);    
    border-color: rgba(255, 255, 255, 1);
    color: white;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    mix-blend-mode: normal;
}





svg {
    fill: url(#gradient1) #447799;
    height: 120vh;
}

#brain{
    margin-left: auto;
    margin-right: auto;
}

#background{
    position: absolute;
    overflow: hidden;
    z-index: -1;
}