@charset "UTF-8";*{box-sizing: border-box; }html, body.start {width: 100%;height: 100%;margin: 0;padding: 0;display: flex;justify-content: center;align-items: center;overflow: hidden;background-color: #FFFFFA;}img.start {width: 100%;max-width: 600px;min-width: 320px;height: auto;display: block;border: 0px dashed gray;border-radius: 5px;}