body {
    margin: 0;
    font-family: 'Lato', sans-serif;
}

.overlay {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
    background-color: #428bca;
    background-color: #1eb393;
    overflow-x: hidden;
    transition: 0.5s;
}

.overlay-content {
    /*position: relative;*/
    top: 25%;
    width: 100%;
    text-align: center;
    margin-top: 30px;
}

.overlay a {
    /*padding: 8px;*/
    text-decoration: none;
    font-size: 15px;
    color: white;
    display: block;
    transition: 0.3s;
}

.overlay .closebtn {
    position: absolute;
    top: 6px;
    right: 45px;
    font-size: 40px;
}

@media screen and (max-height: 200px) {
    .overlay a {font-size: 20px}
    .overlay .closebtn {
        font-size: 40px;
        top: 15px;
        right: 35px;
    }
}