.overlay {
    height: 0;
    width: 100%;
    position: fixed;
    z-index: 2000;
    top: 0;
    left: 0;
    background-color: rgb(0,0,0);
    background-color: rgba(0,0,0, 0.9);
    overflow-x: hidden;
    transition: 0.5s;
}

.overlay-content {
    position: relative;
    top: 12.5%;
    width: 100%;
    text-align: center;
    margin-top: 30px;
}


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

.overlay_a {
    padding: 8px;
    text-decoration: none;
    font-size: 36px;
    color: #818181;
    display: block;
    transition: 0.3s;
}

    .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-content {
        position: relative;
        top: 0%;
        width: 100%;
        text-align: center;
        margin-top: 0px;
    }

    .overlay a {
        font-size: 20px
    }

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

.overlay-close-tab{
    margin-top:25px;
    color: white;
    cursor: pointer;
}

.overlayCloseBtn {
    /*bottom: 50px;
    position: absolute;*/
    margin-bottom: 65px;
    z-index: 2001;
    font-size: xx-large;
    /*left: 50%;*/
    /*display: none;*/
}