body
{
   background-color: #FFFFFF;
   color: #000000;
   font-family: Arial;
   font-weight: normal;
   font-size: 16px;
   line-height: 1.1875;
   margin: 0;
   padding: 0;
}
#wb_LayoutGrid1
{
   clear: both;
   position: relative;
   table-layout: fixed;
   display: table;
   text-align: center;
   width: 100%;
   background-color: #FFFFFF;
   background-image: none;
   border: 0px solid #DEE2E6;
   border-radius: 0px;
   box-sizing: border-box;
   margin: 0;
}
#LayoutGrid1
{
   box-sizing: border-box;
   padding: 0 15px 0 15px;
   margin-right: auto;
   margin-left: auto;
}
#LayoutGrid1 > .row
{
   margin-right: -15px;
   margin-left: -15px;
}
#LayoutGrid1 > .row > .col-1
{
   box-sizing: border-box;
   font-size: 0;
   min-height: 1px;
   padding-right: 15px;
   padding-left: 15px;
   position: relative;
}
#LayoutGrid1 > .row > .col-1
{
   float: left;
}
#LayoutGrid1 > .row > .col-1
{
   background-color: transparent;
   background-image: none;
   border: 0px solid #FFFFFF;
   border-radius: 0px;
   width: 100%;
   text-align: center;
}
#LayoutGrid1:before,
#LayoutGrid1:after,
#LayoutGrid1 .row:before,
#LayoutGrid1 .row:after
{
   display: table;
   content: " ";
}
#LayoutGrid1:after,
#LayoutGrid1 .row:after
{
   clear: both;
}
@media (max-width: 480px)
{
#LayoutGrid1 > .row > .col-1
{
   float: none;
   width: 100% !important;
}
}
body {
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    margin: 0;
    padding: 20px;
    text-align: center;
}

h1 {
    color: #333;
}

.controls {
    margin: 20px 0;
}

input {
    padding: 8px;
    font-size: 16px;
    width: 200px;
}

button {
    padding: 8px 15px;
    font-size: 16px;
    cursor: pointer;
    background: #007bff;
    color: #fff;
    border: none;
    border-radius: 4px;
}

.calendar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 15px;
    margin-top: 30px;
}

.month {
    border-radius: 10px;
    padding: 10px;
    color: #fff;
}

.month h3 {
    margin: 5px 0 10px;
}

.weekdays, .days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.weekday {
    font-size: 13px;
    font-weight: bold;
    padding: 5px;
    background: rgba(0,0,0,0.25);
    border-radius: 4px;
}

.day {
    padding: 6px;
    border-radius: 4px;
    font-size: 14px;
    background: rgba(255,255,255,0.25);
}

.today {
    background: #000 !important;
    color: #fff;
}

.footer {
    margin-top: 40px;
    font-size: 14px;
    color: #555;
}