html, body
{
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
    color: black;
    background: #76c9e9;
    -webkit-text-size-adjust: none; /* important, or your text resizes randomly on rotation! */
    -webkit-tap-highlight-color: transparent;
}

div::-moz-focus-inner, input[type="submit"]::-moz-focus-inner, input[type="button"]::-moz-focus-inner {
    border : 0px;
}

*, canvas {
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

#game_canvas
{
    z-index: 1;
    overflow: hidden;
    image-rendering: optimizeSpeed;
    -webkit-tap-highlight-color: transparent;
    -moz-tap-highlight-color: transparent;
    -webkit-user-select: none;
    -webkit-transform: translateZ(0);
    -ms-touch-action: none;
}

canvas
{
    z-index: 1;
    overflow: hidden;
    image-rendering: optimizeSpeed;
    -webkit-tap-highlight-color: transparent;
    -moz-tap-highlight-color: transparent;
    -webkit-user-select: none;
    -webkit-transform: translateZ(0);
}

#wrong_orientation
{
    background: black;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    width: 100%;
    height: 100%;
    display: none;
}

#wrong_orientation img
{
    display: block;
    margin: 0 auto;
    width: 75%;
    z-index: 3;
}

#ios7 {
    margin: 0 auto;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    z-index: 2;
}

#ios7_box {
    width: 82%;
    height: 88%;
    margin: 4%;
    border: solid 1px white;
    border-radius: 15px;
    text-align: center;
    padding: 5%;
    overflow: hidden;
    display: table;
}

#ios7_message {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 11.5pt;
    display: table-cell;
    vertical-align: bottom;
    line-height: 115%;
    color: #ffffff;
    width: 100%;
    height: 100px;
}
#ios7_options {
    position: absolute;
    left: 41%;
    bottom: 20%;
}
span {
    color: #007aff;
    font-weight: bold;
}
#ios7_close {
    position: absolute;
    right: 19px;
    top: 18px;
}
#ios7_canvas {
    position: absolute;
    width: 100%;
    bottom: 110px;
}