#calendar {
    max-width: 500px;
    margin: 30px auto;
}

button {
    display: block;
    margin: 20px auto;
    padding: 10px 20px;
    font-size: 16px;
    background-color: #0077ff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}


button:hover {
    background-color: #0056b3;
}

body {
	margin: 40px 10px;
	padding: 0;
	font-family: "Lucida Grande",Helvetica,Arial,Verdana,sans-serif;
	font-size: 14px;
}

div.oshi{
    text-align:center;
    vertical-align: middle;
    padding:40px;
    border:1px solid;
    width:200px ;
    height:60px;
    margin:0px auto;
    background-color:azure;
    font-size:12px;
}

#sColor{
    padding: 5px;
    margin:10px auto;
    border-color:gray;
    border:1px dotted;
    width:100px;
    text-align:center;
}

.name01::placeholder{
    color:#ffffff;
}

.name02::placeholder{
    color:#ffffff;
}

.name03::placeholder{
    color:#000000;
}