:root {
            --calendar-bg-color: #262829;
            --calendar-font-color: #FFF;
            --weekdays-border-bottom-color: #404040;
            --calendar-date-hover-color: #505050;
            --calendar-current-date-color: #1b1f21;
            --calendar-today-color: linear-gradient(to bottom, #03a9f4, #2196f3);
            --calendar-today-innerborder-color: transparent;
            --calendar-nextprev-bg-color: transparent;
            --next-prev-arrow-color : #FFF;
            --calendar-border-radius: 16px;
            --calendar-prevnext-date-color: #484848
        }
        
        * {
            padding: 0;
            margin: 0;
        }
        
        .calendar {
            font-family: 'Montserrat';
            position: relative;
            max-width: auto; /*change as per your design need */
            min-width: 300px;
            background: var(--calendar-bg-color);
            color: var(--calendar-font-color);
            margin: auto auto;
            box-sizing: border-box;
            overflow: hidden;
            font-weight: normal;
            border-radius: var(--calendar-border-radius);
        }
        
        .calendar-inner {
            padding: 10px 10px;
        }

		.calendar .calendar-inner .calendar-body .calendar-booked-once {
			background: #ffc107; /* kuning */
			border-radius: 4px;
		}

		.calendar .calendar-inner .calendar-body .calendar-booked-multiple {
			background: #ff0000; /* merah */
			border-radius: 4px;
		}
        
        .calendar .calendar-inner .calendar-body {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            text-align: center;
        }
        
        .calendar .calendar-inner .calendar-body div {
            padding: 4px;
            min-height: 30px;
            line-height: 30px;
            border: 1px solid transparent;
            margin: 10px 2px 0px;
        }
        
        .calendar .calendar-inner .calendar-body div:nth-child(-n+7) {
            border: 1px solid transparent;
            border-bottom: 1px solid var(--weekdays-border-bottom-color);
        }
        
        .calendar .calendar-inner .calendar-body div:nth-child(-n+7):hover {
            border: 1px solid transparent;
            border-bottom: 1px solid var(--weekdays-border-bottom-color);
        }
        
        .calendar .calendar-inner .calendar-body div>a {
            color: var(--calendar-font-color);
            text-decoration: none;
            display: flex;
            justify-content: center;
        }
        
        .calendar .calendar-inner .calendar-body div:hover {
            border: 1px solid var(--calendar-date-hover-color);
            border-radius: 4px;
        }
        
        .calendar .calendar-inner .calendar-body div.empty-dates:hover {
            border: 1px solid transparent;
        }
        
        .calendar .calendar-inner .calendar-controls {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
        }
        
        .calendar .calendar-inner .calendar-today-date {
            display: grid;
            text-align: center;
            cursor: pointer;
            margin: 3px 0px;
            background: var(--calendar-current-date-color);
            padding: 8px 0px;
            border-radius: 10px;
            width: 80%;
            margin: auto;
        }
        
        .calendar .calendar-inner .calendar-controls .calendar-year-month {
            display: flex;
            min-width: 100px;
            justify-content: space-evenly;
            align-items: center;
        }
        
        .calendar .calendar-inner .calendar-controls .calendar-next {
            text-align: center;
        }
        
        .calendar .calendar-inner .calendar-controls .calendar-year-month .calendar-year-label,
        .calendar .calendar-inner .calendar-controls .calendar-year-month .calendar-month-label {
            font-weight: 500;
            font-size: 20px;
        }
        
        .calendar .calendar-inner .calendar-body .calendar-today {
            background: var(--calendar-today-color);
            border-radius: 4px;
        }
        
        .calendar .calendar-inner .calendar-body .calendar-unavailable {
            background: #ff0000;
            border-radius: 4px;
        }
        
        .calendar .calendar-inner .calendar-body .calendar-today:hover {
            border: 1px solid transparent;
        }
        
        .calendar .calendar-inner .calendar-body .calendar-today a {
            outline: 2px solid var(--calendar-today-innerborder-color);
        }
        
        .calendar .calendar-inner .calendar-controls .calendar-next a,
        .calendar .calendar-inner .calendar-controls .calendar-prev a {
            color: var(--calendar-font-color);
            font-family: arial, consolas, sans-serif;
            font-size: 26px;
            text-decoration: none;
            padding: 4px 12px;
            display: inline-block;
            background: var(--calendar-nextprev-bg-color);
            margin: 10px 0 10px 0;
        }
        
        .calendar .calendar-inner .calendar-controls .calendar-next a svg,
        .calendar .calendar-inner .calendar-controls .calendar-prev a svg {
            height: 20px;
            width: 20px;
        }
        
        .calendar .calendar-inner .calendar-controls .calendar-next a svg path,
        .calendar .calendar-inner .calendar-controls .calendar-prev a svg path{
            fill: var(--next-prev-arrow-color);
        }
        
        .calendar .calendar-inner .calendar-body .prev-dates,
        .calendar .calendar-inner .calendar-body .next-dates {
            color: var(--calendar-prevnext-date-color);
        }
        
        .calendar .calendar-inner .calendar-body .prev-dates:hover,
        .calendar .calendar-inner .calendar-body .next-dates:hover {
          border: 1px solid transparent;
          pointer-events: none;
        }