.simple-calendar table {
  -webkit-border-horizontal-spacing: 0px;
  -webkit-border-vertical-spacing: 0px;
  background-color: rgba(0, 0, 0, 0);
  border: 1px solid #ddd;
  border-collapse: collapse;
  box-sizing: border-box;
  max-width: 100%;
  width: 100%;
}
.simple-calendar tr {
  border-collapse: collapse;
}
.simple-calendar th {
  padding: 6px;
  border-bottom: 2px solid #ddd;
  border-collapse: collapse;
  border-left: 1px solid #ddd;
  border-right: 1px solid #ddd;
  border-top: 0px none #333;
  box-sizing: border-box;
  text-align: left;
}
.simple-calendar td {
  padding: 6px;
  vertical-align: top;
  width: 14%;
  border: 1px solid #ddd;
  border-top-color: #ddd;
  border-top-style: solid;
  border-top-width: 1px;
  border-right-color: #ddd;
  border-right-style: solid;
  border-right-width: 1px;
  border-bottom-color: #ddd;
  border-bottom-style: solid;
  border-bottom-width: 1px;
  border-left-color: #ddd;
  border-left-style: solid;
  border-left-width: 1px;
}
.simple-calendar .calendar-heading nav {
  display: inline-block;
}
.simple-calendar .day {
  height: 160px;
}
.simple-calendar .today {
  background: #ffffc0;
}
.simple-calendar .next-month {
  background: #ddd;
}
.calendar-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.calendar-title {
  font-size: 1.5em;
}
.simple-calendar .calendar-heading nav > a {
  display: inline-block;
  background: darkgray;
  padding: 5px 7px;
  color: #f7f7f7;
  text-decoration: none;
  border-radius: 0;
}