body{ margin: 0; font-size: 13px; font-family: helvetica, sans-serif; color: #0062FF; }
h1{ margin: 1.25em 1.6em; font-size: 2.5em; }

.clear{ clear: both; }

.text_block{ padding: 4em; background: #0062FF; color: #fff;  }
.column{ float: left; margin-right: 3em; width: 31.25em; text-align: justify; }




/* Smartphones (portrait and landscape) ----------- */
@media only screen
and (min-device-width : 320px)
and (max-device-width : 480px) {
    /* Styles */
}

/* Smartphones (landscape) ----------- */
@media only screen
and (min-width : 321px) {
    /* Styles */
}

/* Smartphones (portrait) ----------- */
@media only screen
and (max-width : 320px) {
    /* Styles */
}

/* iPads (portrait and landscape) ----------- */
@media only screen
and (min-device-width : 768px)
and (max-device-width : 1024px) {
    /* Styles */
}

/* iPads (landscape) ----------- */
@media only screen
and (min-device-width : 768px)
and (max-device-width : 1024px)
and (orientation : landscape) {
    /* Styles */
}

/* iPads (portrait) ----------- */
@media only screen
and (min-device-width : 768px)
and (max-device-width : 1024px)
and (orientation : portrait) {
    /* Styles */
}

/* Desktops and laptops ----------- */
@media only screen
and (min-width : 1224px) {
    /* Styles */
}

/* Large screens ----------- */
@media only screen
and (min-width : 1824px) {
    /* Styles */
}

/* iPhone 4 ----------- */
@media
only screen and (-webkit-min-device-pixel-ratio : 1.5),
only screen and (min-device-pixel-ratio : 1.5) {
    /* Styles */
    body { font-size: 28px; }
    .text_block{ padding: 2em; }
    .column{ float: left; margin-right: 0; margin-bottom: 2em; width: 31.25em; text-align: left; }
}