.wp-block-akaienso-block {
    background: #2c2c2f;
    position: relative;
}
.wp-block-akaienso-block canvas {
    position: absolute;
    display: block;
    margin: auto;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    overflow: visible;
}