html, body, * {
    margin:0;
    padding: 0;
}

body {
    background-color: black;
    width: 100%;
}

div#container {
    width: 90%;
    margin: 6% auto 0px;
    text-align: center;
    display: none;
}

img#circle {
    width: 40%;
}

/* Smartphones (portrait and landscape) ----------- */
@media only screen and (min-device-width : 320px) and (max-device-width : 480px) {
    img#circle {
        width: 70%;
    }
    div#container {
        margin: 20% auto 0px;
        text-align: center;
        display: none;
    }
}

/* Smartphones (landscape) ----------- */
@media only screen and (min-width : 321px) {
    img#circle {
        width: 70%;
    }
}

/* Smartphones (portrait) ----------- */
@media only screen and (max-width : 320px) {
    img#circle {
        width: 70%;
    }
    div#container {
        margin: 20% auto 0px;
        text-align: center;
        display: none;
    }
}

/* iPads (portrait and landscape) ----------- */
@media only screen and (min-device-width : 768px) and (max-device-width : 1024px) {
    img#circle {
        width: 60%;
    }
}

/* iPads (landscape) ----------- */
@media only screen and (min-device-width : 768px) and (max-device-width : 1024px) and (orientation : landscape) {
    img#circle {
        width: 60%;
    }
}

/* iPads (portrait) ----------- */
@media only screen and (min-device-width : 768px) and (max-device-width : 1024px) and (orientation : portrait) {
    img#circle {
        width: 60%;
    }
    div#container {
        margin: 20% auto 0px;
        text-align: center;
        display: none;
    }
}

/**********
iPad 3
**********/

@media only screen and (min-device-width : 768px) and (max-device-width : 1024px) and (orientation : landscape) and (-webkit-min-device-pixel-ratio : 2) {
    img#circle {
        width: 60%;
    }
}

@media only screen and (min-device-width : 768px) and (max-device-width : 1024px) and (orientation : portrait) and (-webkit-min-device-pixel-ratio : 2) {
    img#circle {
        width: 60%;
    }
}

/* Desktops and laptops ----------- */

@media only screen  and (min-width : 1224px) {
    img#circle {
        width: 40%;
    }
}

/* Large screens ----------- */
@media only screen  and (min-width : 1824px) {
    img#circle {
        width: 40%;
    }
}

/* iPhone 4 ----------- */
@media only screen and (min-device-width : 320px) and (max-device-width : 480px) and (orientation : landscape) and (-webkit-min-device-pixel-ratio : 2) {
    img#circle {
        width: 70%;
    }
}

@media only screen and (min-device-width : 320px) and (max-device-width : 480px) and (orientation : portrait) and (-webkit-min-device-pixel-ratio : 2) {
    img#circle {
        width: 70%;
    }
}

/* iPhone 5 ----------- */
@media only screen and (min-device-width: 320px) and (max-device-height: 568px) and (orientation : landscape) and (-webkit-device-pixel-ratio: 2){
    img#circle {
        width: 70%;
    }
}

@media only screen and (min-device-width: 320px) and (max-device-height: 568px) and (orientation : portrait) and (-webkit-device-pixel-ratio: 2){
    img#circle {
        width: 70%;
    }
}

/* iPhone 6 ----------- */
@media only screen and (min-device-width: 375px) and (max-device-height: 667px) and (orientation : landscape) and (-webkit-device-pixel-ratio: 2){
    img#circle {
        width: 60%;
    }
}

@media only screen and (min-device-width: 375px) and (max-device-height: 667px) and (orientation : portrait) and (-webkit-device-pixel-ratio: 2){
    img#circle {
        width: 60%;
    }
}

/* iPhone 6+ ----------- */
@media only screen and (min-device-width: 414px) and (max-device-height: 736px) and (orientation : landscape) and (-webkit-device-pixel-ratio: 2){
    img#circle {
        width: 60%;
    }
}

@media only screen and (min-device-width: 414px) and (max-device-height: 736px) and (orientation : portrait) and (-webkit-device-pixel-ratio: 2){
    img#circle {
        width: 60%;
    }
}

/* Samsung Galaxy S3 ----------- */
@media only screen and (min-device-width: 320px) and (max-device-height: 640px) and (orientation : landscape) and (-webkit-device-pixel-ratio: 2){
    img#circle {
        width: 70%;
    }
}

@media only screen and (min-device-width: 320px) and (max-device-height: 640px) and (orientation : portrait) and (-webkit-device-pixel-ratio: 2){
    img#circle {
        width: 70%;
    }
}

/* Samsung Galaxy S4 ----------- */
@media only screen and (min-device-width: 320px) and (max-device-height: 640px) and (orientation : landscape) and (-webkit-device-pixel-ratio: 3){
    img#circle {
        width: 70%;
    }
}

@media only screen and (min-device-width: 320px) and (max-device-height: 640px) and (orientation : portrait) and (-webkit-device-pixel-ratio: 3){
    img#circle {
        width: 70%;
    }
}

/* Samsung Galaxy S5 ----------- */
@media only screen and (min-device-width: 360px) and (max-device-height: 640px) and (orientation : landscape) and (-webkit-device-pixel-ratio: 3){
    img#circle {
        width: 70%;
    }
}

@media only screen and (min-device-width: 360px) and (max-device-height: 640px) and (orientation : portrait) and (-webkit-device-pixel-ratio: 3){
    img#circle {
        width: 70%;
    }
}