.calendar {
    display: flex;
    flex-direction: column;
    font-size: 16px;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 20px;
}

.calendar-btn {
    margin: 0 0 1.5rem;
}

.calendar-btn-nav {
    height: 40px;
    width: 40px;
    position: relative;
    transition: all 0.3s ease;
    cursor: pointer;
}

.calendar-btn-nav:hover {
    box-shadow: inset 0 0 10px 0 rgba(69, 90, 13, 1);
}

.calendar-btn-nav:before {
    top: 50%;
    left: 50%;
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border-bottom: 2px solid #455a0d;
    border-right: 2px solid #455a0d;
}

.calendar-btn-nav__next:before {
    transform: translate(-50%, -50%) rotate(-45deg);
}

.calendar-btn-nav__prev:before {
    transform: translate(-50%, -50%) rotate(135deg);
}

.calendar-row {
    display: flex;
}

.calendar-column {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;

    border: 1px solid #232323;

}

.calendar-column__current-date {
    border: 2px solid #9ace11;
}

.calendar-column__event {
    background: #455a0d;
    cursor: pointer;
}

.calendar-column__event-completed {
    background: #434a31;
}