.logo {
    background: url('../img/pozzy-logo-beta@2x.png') no-repeat center center;
    -moz-background-size: 67px 41px;
    -o-background-size: 67px 41px;
    background-size: 67px 41px;
    display: inline-block;
    width: 67px;
    height: 41px;
}
@media
only screen and (-webkit-min-device-pixel-ratio: 2),
only screen and (   min--moz-device-pixel-ratio: 2),
only screen and (     -o-min-device-pixel-ratio: 2/1),
only screen and (        min-device-pixel-ratio: 2),
only screen and (                min-resolution: 192dpi),
only screen and (                min-resolution: 2dppx) { 
    .logo {
        background: url('../img/pozzy-logo-beta@2x.png') no-repeat center center;
        -moz-background-size: 67px 41px;
        -o-background-size: 67px 41px;
        background-size: 67px 41px;
        display: inline-block;
        width: 67px;
        height: 41px;
    }
}

.hide-for-app {
  display: none;
}
