body {
    background-color: #eeeeee;
}
h1 {
    margin-top: 60px;
    text-align: center;
}
h2 {
    text-align: center;
}
form {
    max-width: 400px;
    margin: 0 auto;
}
td form {
    margin: 0 auto;
    text-align: center;
    width: 80px;
}
td form input {
    background-color: lightyellow;
    color: black;
    font-size: 1.0em;
    margin: 5px;
    width: 90%;
}
thead, tfoot {
    background-color: #111;
    color: #fff;
}
table {
    border-collapse: collapse;
    border: 2px solid rgb(200, 200, 200);
    letter-spacing: 1px;
    font-family: sans-serif;
    font-size: .8rem;
    margin: 0 auto;
}
td, th {
    border: 1px solid rgb(190, 190, 190);
    padding: 10px;
}
th {
    background-color: #696969;
    color: #fff;
}
td {
    text-align: center;
}
tr:nth-child(even) {
    background-color: #eee;
}
.message {
    font-size: 1.0em;
    text-align: center;
}
.err_msg {
    color: #ff838b; 
}
form p {
    font-size: 0.8em;
    margin-left: 10px;
    margin-right: 10px;
}
form span {
    margin-left: 10px;
}
label {
    height: 60px;
    display: block;
    overflow: hidden;
    margin-bottom: 10px;
}
label span {
    box-sizing: border-box;
    height: 50px;
    padding-top: 25px;
    padding-bottom: 25px;
    display: block;
    float: left;
}
label input {
    background-color: #aaaaff;
    display: block;
    float: right;
    font-size: 1.0em;
    height: 30px;
    margin-top: 20px;
    margin-right: 10px;
    width: 55%;
}
label select {
    background-color: #aaaaff;
    display: block;
    float: right;
    font-size: 1.0em;
    height: 36px;
    margin-top: 20px;
    margin-right: 10px;
    text-align: right;
}
.button {
    margin-top: 20px;
    text-align: center;
}
.button input {
    background-color: lightyellow;
    color: black;
    font-size: 1.5em;
    width: 60%;
}
.number {
    text-align: center;
}
.option_text {
    margin-top: 20px;
    margin-bottom: 10px;
}
.text_right {
    text-align: right;
}
.text_center {
    text-align: center;
}
.text_left {
    text-align: left;
}
.option_text a {
    text-decoration: none;
    color: darkcyan;
}
.option_text_mini a {
    text-decoration: none;
    color: darkcyan;
}
.space {
    height: 30px;
}
.space_half {
    height: 15px;
}
iframe {
    border: none;
}
.block {
    display: inline-block;
    margin-left: 10px;
    margin-right: 10px;
}
.block_small {
    display: inline-block;
    margin-top: 20px;
    margin-bottom: 20px;
    margin-left: 10px;
    margin-right: 10px;
    width: 250px;
}
.block_big {
    display: inline-block;
    margin-top: 20px;
    margin-bottom: 20px;
    margin-left: 20px;
    margin-right: 20px;
    min-width: 350px;
    max-width: 600px;
}
.flex_center {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
.flex_around {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}
.simple_form_text {
    height: 20px;
}
.simple_form_text span {
    float: left;
}
.simple_form_text input {
    float: right;
    text-align: center;
    width: 20%;
}
.simple_form_submit input {
    text-align: center;
    width: 20%;
}
.simple_form_select {
    margin-bottom: 20px;
}
.simple_form_select select {
    float: left;
    text-align: center;
    margin-left: 10px;
    margin-right: 10px;
    width: 40%;
}
.simple_form_select input {
    float: right;
    text-align: center;
    margin-left: 10px;
    margin-right: 10px;
    width: 20%;
}
.text_red {
    color: red;
}
.text_bold {
    font-weight: bold;
}
canvas {
    margin: 10px;
}