/*
.contain{ display:inline-block; width:100%; }
* html .contain{ height:1%; width:auto; }
.contain{ display:table; }
*/

/* \*/
* html .contain { height: 1%; }
/* */
.contain{ overflow:hidden; min-width:0; }


/* Borrowed from YAML 
.equal{ overflow:visible; display:table; table-layout:fixed; }

.equal > div {
  display:table-cell;
  float:none; 
  margin:0; 
  overflow:hidden;
  vertical-align:top;
}

.equal > div.clear{
    display:table-row;
    float:left;
    width:100%;
    background:red;
}
*/


.ml1{margin-left:1em;}
.ml2{margin-left:2em;}
.ml3{margin-left:3em;}
.ml4{margin-left:4em;}

.mr1{margin-right:1em;}
.mr2{margin-right:2em;}
.mr3{margin-right:3em;}
.mr4{margin-right:4em;}

.mt1{margin-top:1em;}
.mt2{margin-top:2em;}
.mt3{margin-top:3em;}
.mt4{margin-top:4em;}

.mb1{margin-bottom:1em;}
.mb2{margin-bottom:2em;}
.mb3{margin-bottom:3em;}
.mb4{margin-bottom:4em;}