:root {
    --height: 400px;
    --width: 350px;
    --white: #e3edf7;

    --timing: 300ms;
    --spacing: 10px;
    --accent: #667eea;
}

body {
    background-color: var(--white);
    font-family: Arial, Helvetica, sans-serif;
    color: #333;
}

.container {
    display: flex;
    width: 100%;
    transform: translateX(-100%);
}

.container > div {
    flex-shrink: 0;
    width: calc(100% - calc(var(--spacing) * 2));
    margin: 0 var(--spacing);
}
.calendar {
    position: absolute;
    top: 50%;
    left: 50%;
    background-color: var(--white);
    border-radius: 15px;
    transform: translate(-50%, -50%);
    width: var(--width);
    box-shadow: -11px 11px 31px #ccd5de, 11px -11px 31px #faffff;
    padding: calc(var(--spacing) * 2) calc(var(--spacing));
    overflow-x: hidden;
}

.header {
    display: flex;
    justify-content: space-between;
    margin: 0px 20px 20px 20px;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-template-rows: repeat(7, 1fr);
}

.day {
    display: flex;
    justify-content: center;
    font-size: 0.85rem;
    padding-top: 10px;
}

.week-day {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 35px;
}

.inactive {
    opacity: 0.4;
}

.move-left {
    animation: move-left-a var(--timing) linear backwards;
}
@keyframes move-left-a {
    to {
        transform: translateX(0%);
    }
}

.move-right {
    animation: move-right-a var(--timing) linear backwards;
}
@keyframes move-right-a {
    to {
        transform: translateX(-200%);
    }
}

.left-arrow,
.right-arrow {
    cursor: pointer;
}

.current {
    background: #667eea;
    border-radius: 100%;
    padding: 7.5px;
    color: var(--white);
}