* {
  box-sizing: border-box;
}
.cal {
  background-color: #FFFFFF;
  margin: 0;
}
.cal-container{
  padding: 20px;
  background: #fff;
}
.cal-header{
  display: flex;
  align-content: center;
  padding-bottom: 20px; 
}
.cal-container h1{
  font-family: 'Roboto Slab', sans-serif;
  font-size: 30px;
  line-height: 1em;
  font-weight: bold;
  color: #000;
  margin: 0;
  padding: 0 0 0 10px;
}
.cal-nav{
  display: flex;
  align-content: center;
  margin: -1px;
}
.cal-nav a{
  display: block;
  width: 30px;
  height: 30px;
  border-radius: 4px;
  background: #efefef url('../images/chevron_left.svg') no-repeat center;
  margin: 1px;
}
.cal-nav a:last-child{
  background-image: url('../images/chevron_right.svg');
}
.calendar {
  display: flex;
  flex-flow: column;
}
.calendar .days {
  display: flex;
  flex-flow: wrap;
}
.calendar .days .day_name {
  width: calc(100% / 7);
  border-right: 1px solid #545454;
  padding: 20px;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: bold;
  color: #fff;
  background-color: #5d5d5d;
}
.calendar .days .day_name:nth-child(7) {
  border: none;
}
.calendar .days .day_num {
  display: flex;
  flex-flow: column;
  width: calc(100% / 7);
  border-right: 1px solid #e6e9ea;
  border-bottom: 1px solid #e6e9ea;
  padding: 15px;
  font-weight: bold;
  color: #5d5d5d;
  min-height: 100px;
}
.calendar .days .day_num span {
  display: inline-flex;
  width: 30px;
  font-size: 14px;
}
.calendar .days .day_num .event {
  margin-top: 10px;
  font-weight: 500;
  font-size: 14px;
  padding: 3px 6px;
  border-radius: 4px;
  background-color: #1789d0;
  text-decoration: none;
  color: #fff;
  word-wrap: break-word;
}
.calendar .days .day_num:nth-child(7n+1) {
  border-left: 1px solid #e6e9ea;
}
.calendar .days .day_num.ignore {
  background-color: #fdfdfd;
  color: #ced2d4;
  cursor: inherit;
}
@media screen and (max-width: 800px) {
  .calendar .days .day_num {
    padding: 10px;
  }
  .calendar{
    border-top: 1px solid #e6e9ea;
    border-left: 1px solid #e6e9ea;
  }
  .calendar .days .day_num{
    width: 25%;
    border-right: 1px solid #e6e9ea;
    border-bottom: 1px solid #e6e9ea;
  }
  .calendar .days .day_num.ignore,
  .calendar .days .day_name{display:none;}
}
@media screen and (max-width: 480px) {
  .calendar .days .day_num{
    width: 50%;
  }
}