.maindiv{
    background: linear-gradient(to right, #0f0c29, #302b63, #24243e);
    height: 100vh;
    color: antiquewhite;
    width: 0;
    transition: 0.9s;
}

button{
    margin: 10px !important;
    background-color:#c2c2c2;
}

a{
    text-decoration: none;
    color: antiquewhite;
}

a:hover{
    color: rgb(186, 177, 166);
}


ul{
    text-align: center;
}

li{
    list-style-type: none;
    margin: 50px;
    font-size: 35px;
    display: none;
}