#tinymce .one-half,
#tinymce .one-third,
#tinymce .two-third {
border: 1px dashed #D7D7D7;
padding: 1%;
} .all-columns {
width: 100%;
float: left;
clear: both;
}
.one-half,
.one-third,
.two-third {
float: left;
margin-top: 0;
margin-right: 0;
margin-bottom: 10px;
margin-left: 0;
}
.one-half {
width: 47%;
}
.one-third {
width: 30%;
}
.two-third {
width: 64%;
}
.first {
clear: left;
margin-right: 1%;
}
.last {
margin-left: 1%;
}