.rightfloat {
    float:right;
  }
  
  #calendar{
    background-color: aliceblue;
  }
  
  .months-container {
        box-shadow: 1px 1px 5px #c3c3c3;
        margin-top: -20px;
  }
  
  .month-3, .month-4, .month-6 .month-12{
    box-shadow: inset 0px 0px 2px 0px #c3c3c3;
  }
  
  .month-3:nth-child(2n+1), .month-4:nth-child(2n+1), .month-6:nth-child(2n+1), .month-12:nth-child(2n+1)  {
    background-color: #deeeff;
  } 
  
  .calendar-header {
    border-left: 0px !important;
    border-right: 0px !important;
    border-top: 0px !important;
    border-bottom: 2px solid #ddd !important;
  }