.mass-intentions-calendar {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.mass-intentions-calendar caption {
    text-align: center;
    font-size: 1.5em;
    margin-bottom: 10px;
}

.mass-intentions-calendar th, .mass-intentions-calendar td {
    border: 1px solid #ccc;
    width: 14.28%; /* 100% divided by 7 days */
    vertical-align: top;
    padding: 5px;
    height: 100px;
}

.mass-intentions-calendar th {
    background-color: #f0f0f0;
    text-align: center;
}

.mass-intentions-calendar td .date {
    font-weight: bold;
    margin-bottom: 5px;
}

.mass-intentions-calendar td.today {
    background-color: #e0f7fa;
}

.mass-intentions-calendar td.empty {
    background-color: #f9f9f9;
}

.mass-intentions-calendar td:hover {
    font-weight: bold;
    margin-bottom: 5px;
    cursor: pointer;
    background: #e0f7fa;
}

/* Highlight the actively selected day */
.mass-intentions-calendar td.selected {
    background: #e0f7fa;
}

@media screen and (max-width: 767px) {
    .mass-intentions-calendar th, .mass-intentions-calendar td {
        height: 64px;
    }
}