.app-store, .google-play, .steam, .itch-io
{
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 5px;
    box-sizing: border-box;
    display: inline-block;
    text-indent: -9999px;
}

.app-store, .app-store:hover, .google-play, .google-play:hover, .steam, .steam:hover, .itch-io:hover
{
    border: 2px solid black;
}

.app-store
{
    background-image: url('../images/buttons/app-store.svg'), none;
    background-size: 128px 38px;
    width: 128px;
}

.google-play
{
    background-image: url('../images/buttons/google-play.png'), none;
    background-size: 128px 38px;
    width: 128px;
}

.steam
{
    background-image: url('../images/buttons/steam.jpg'), none;
    background-size: 120px 38px;
    width: 120px;
}

.itch-io
{
    background-image: url('../images/buttons/itch-io.png'), none;
    background-image: url('../images/buttons/itch-io.svg'), none;
    background-size: 123px 38px;
    width: 123px;
}