.listManagerAdd-editorContainer
{
    background-color:#dedde9; 
    padding:5px 5px 5px 5px;
    border:dashed 1px #272f6e;
    margin:5px 0 10px 0;
}
.listManagerAdd-editorContainer .left
{ display:block;
    width:50%;
    float:left;
}
.listManagerAdd-editorContainer .right
{
    display:block;
    width:50%;
    float:right;
}