.calendar-th {
    border-bottom: #e1e1e1 2px solid;
    border-left: #e1e1e1 2px solid;
    background-color: #e1e1e1;
    height: 7%;
    font-size: 1em;
    border-top: #e1e1e1 2px solid;
    font-weight: bold;
    text-align: center;
    border-right: #e1e1e1 2px solid
}