Some time outer table class poperty change the calender style , then we can fix it by applying this css.





.ajax__calendar table
{
margin:0px !important;
width:auto !important;
padding-left:0px !important;

}

.ajax__calendar table td
{
padding-left:2px !important;
padding-right:2px !important;
width:auto !important;
}
.ajax__calendar table th
{
padding-left:0px !important;
width:auto !important;
}
.ajax__calendar_container table
{
margin:0px !important;
padding:0px !important;
}