body, html
{
    margin: 0;
    padding: 0;
    background-color: white;
    font-family: Verdana, sans-serif;
    text-align: center;
}

div.page-header
{
    height: 100px;
    width: 100%;
    background-color: #292D35;
}

div.page-header img
{
    margin-top: 32px;
}

div.content
{
    width: 100%;
    margin: 3px 3px 3px 3px;
}

div.content h2
{
    margin-top: 30px;
}

div.platform-icons
{
    display: inline-block;
    max-width: 100%;
}

div.platform-icons a
{
    display: inline-block;
    width: 275px;
    height: 275px !important;
    vertical-align: top;
    color: white;
}

div.platform-icons img:active
{
    background-color: #ccc;
}

div.platform-icons img.os
{
    margin: 10px;
    width: 200px;
    padding: 0 20px 40px 20px;
    border: 5px outset grey;
    border-radius: 15px;
    background-repeat: no-repeat;
    background-size: 175px;
    background-position: 50% 88%;
}

div.platform-icons img.os.macOS
{
    background-image: url("macOS.png");
}

div.platform-icons img.os.win
{
    background-image: url("Windows.png");
    background-size: 200px;
}

div.platform-icons img.os.iOS
{
    background-image: url("iOS.png");
    background-size: 80px;
}

div.platform-icons img.os.android
{
    background-image: url("android.png");
    background-size: 225px;
}

div.platform-icons img.os.web
{
    background-image: url("web.png");
}

div.platform-icons img.os.legacy
{
    background-color: #ffffcc;
}

div.platform-icons img.os.legacy:active
{
    background-color: #ccc;
}

div.platform-icons img.cpu.variant
{
    width: 96px;
    position: relative;
    top: -265px;
    left: -80px;
}

h2.section-header
{
    padding: 10px 0;
    background-color: #ccc;
    max-width: 840px;
    margin-left: auto;
    margin-right: auto;
    border-radius: 10px;
}

h2.collapsible
{
    cursor: pointer;
}

h2.collapsible:after
{
    content: '\002B';
    float: right;
    padding-right: 15px;
}

h2.open:after
{
    content: '\2212';
}

.active, h2.collapsible:hover
{
    background-color: #999;
}

div.collapsible-content
{
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-out;
}