html {
    background-color: lightgray; /* 周囲の背景色 */
}

body {
    margin:30px auto;
    padding:30px;
    width: 1000px;
    background: white;
}

h1 {
    color: lightcyan;
    background: MediumBlue;
    border-radius: 10px;
    line-height:120%;
}

h2 {
    color: lightcyan;
    background: MediumBlue;
    font-size: 16px;
}


p{
    text-align:center;
    border-radius:10px;
}


#btnLogin{
    cursor:pointer;
    border-radius:10px;
}

comment {
    text-align:right;
}