body{
    background-color: #f7f7f7;
}
.note {
    width: 100%;
    height: 100%;
    overflow: auto;
    padding: 1em;
    font-size: 1.2em;
    line-height: 1.2;
    border: none;
    border-radius: 1px;
    box-sizing: border-box;
    outline: none;
    resize: none;
}
.box {
    top: 1em;
    bottom: 1em;
    left: 1em;
    right: 1em;
    position: fixed;
    box-shadow: 0 0 10px #cfcfcf;
    border-radius: 1px;
}