floatblocks CSS has invalid widths (containing commas instead of periods)

the widths for '6' and '12' in adaptivetheme/at_core/css/at.settings.style.floatblocks.css contain commas instead of periods, which is invalid CSS. see below for details.

/* Float Blocks */
.float-blocks-left .block {float:left}
.float-blocks-right .block {float:right}
.float-blocks-2 .block {width:50%}
.float-blocks-3 .block {width:33.333333%}
.float-blocks-4 .block {width:25%}
.float-blocks-5 .block {width:20%}
.float-blocks-6 .block {width:16,66666666666667%} <-- COMMA
.float-blocks-7 .block {width:14.28571428571429%}
.float-blocks-8 .block {width:12.5%}
.float-blocks-9 .block {width:11.11111111111111%}
.float-blocks-10 .block {width:10%}
.float-blocks-11 .block {width:9.090909090909091%}
.float-blocks-12 .block {width:8,333333333333333%} <-- COMMA