.overlay {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 1;
    top: 0;
    left: 0;
    /* background-color: rgb(255,255,255);  */
       /* rgb(0, 0, 0); */
    background-color: rgb(255 255 255 / 90%);
    /* rgba(0, 0, 0, 0.9); */
    overflow-x: hidden;
    transition: 0.5s;
}

.overlay-content {
    position: relative;
    top: 5vh;
    height: 95vh;
    width: 100%;
    text-align: center;
    margin-top: 30px;
}

.overlay a {
    padding: 8px;
    text-decoration: none;
    font-size: 36px;
    color: black;
     /* #818181; */
    display: block;
    transition: 0.3s;
}

.overlay-form {
    padding: 8px;
    text-decoration: none;
    font-size: 36px !important;
    color: #818181 !important;
}

.overlay a:hover,
.overlay a:focus {
    color: #f1f1f1;
}

.overlay .closebtn {
    position: absolute;
    top: 20px;
    right: 45px;
    font-size: 60px;
}

@media screen and (max-height: 450px) {
    .overlay a {
        font-size: 20px
    }

    .overlay .closebtn {
        font-size: 40px;
        top: 15px;
        right: 35px;
    }
}