* {
    box-sizing: border-box;
}

ul {
    list-style-type: none;
}

body {
    font-family: Verdana, sans-serif;
    background: #E8F0F3;
}
.lf{float: left;}
.rt{float: right;}
#calendar{
    width:100%;
    margin: 0 auto;
    /* box-shadow: 0 2px 2px 0 rgba(0,0,0,0.14), 0 3px 1px -2px rgba(0,0,0,0.1), 0 1px 5px 0 rgba(0,0,0,0.12); */
}
.month {
    width: 100%;padding: 11px;overflow: hidden;background: #fff;
    border-bottom: 1px solid #ccc;    text-align: left;
}
.month .inbk{
    display: inline-block;
}

.month ul {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: space-between;
}

.year-month {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
}

.year-month:hover {
    background: rgba(150, 2, 12, 0.1);
}

.choose-year {
    padding-left: 20px;
    padding-right: 20px;
}

.choose-month {
    text-align: center;
    font-size: 1.5rem;
}

.arrow {
    padding: 4px 10px;cursor: pointer;
}

.arrow:hover {
    background: rgba(100, 2, 12, 0.1);
}

.month ul li {
    color: white;
    font-size: 20px;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.weekdays {
    margin: 0;
    padding: 10px 0;
    display: flex;
    flex-wrap: wrap;
    color: #000;
    /* border-bottom: 1px solid #ccc; */
    justify-content: space-around;
    background: #fff; font-size: 14px;
}

.weekdays li {
    display: inline-block;
    width: 13.6%;
    text-align: center;
}

.days {
    padding: 0;
    background: #FFFFFF;
    margin: 0;
    display: flex;
    flex-wrap: wrap;  font-size: 14px;
    justify-content: space-around;
}

.days li {
    list-style-type: none;
    display: inline-block;
    width: 14.2%;
    /* height: 70px; */
    text-align: center;
    padding-bottom: 7px;
    padding-top: 10px;
    color: #000;
}

.days li .active {
    padding: 6px 7px;
    border-radius: 50%;
    background: #00B8EC;
    color: #fff;
}

.days li .other-month {
    padding: 5px;
    color: gainsboro;
}

.days li:hover {
    background: #e1e1e1;
}
.tipdiv{
    position: relative;
    width: 30px;cursor: pointer;
    height: 30px;
    line-height: 30px;
    text-align: center;
    display: inline-block;
}
.bot{
  border: 1px solid #000;
}
.tipdiv .tip{
    height: 8px;
    position: absolute;
    top: 0px;
    right: calc(19% - 14px);
    width: 8px;
    background-color: blue;
    border-radius: 100px;
}
.tipdiv .tpc{background-color: gainsboro}
.reto{
    border: 1px solid #000;
    font-size: 12px;
    padding: 2px;cursor: pointer;
}