#canvas {
    position: relative;
    width: 100%;
    height: 100%;
}

#canvas canvas {
    display: block;
}

#clearCanvas,
#saveCanvas {
    position: absolute;
    bottom: 0;
    z-index: 1;
    width: 50%;
    height: 40px;
    border: 1px solid #dedede;
    line-height: 40px;
    text-align: center;
}

#clearCanvas {
    left: 0;
}

#saveCanvas {
    right: 0;
}

.errorCanvas {
    width: 100%;
    height: 100%;
    text-align: center;
    transform: translateY(40%);
}

.flexbk{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
  }