.miDialogo1 {
   border-style: none;
    border-color: inherit;
    border-width: 0px;
    padding: 10px;
    background: #e4e4e4;  /*#FFFFCC;*/
    position: relative;
    -moz-border-radius:    5px;
    -webkit-border-radius: 5px;
    border-radius:         5px;
    top: 1px;
    left: 0px;
    text-align: left;
}
.miDialogo1:before {
   content:"";
   position: absolute;
   right: 100%;
   top: 10px;
   width: 0;
   height: 0;
   border-top: 7px solid transparent;
   border-right: 10px solid #e4e4e4;
   border-bottom: 7px solid transparent;
   /*margin-top:5px;
   color:red;*/
   /*border-color: #ff6a00;*/
}