html {
    background-color: #333333;
}

body {
    font-family: Arial,
    "Hiragino Kaku Gothic ProN",
    "Hiragino Sans",
    Meiryo,
    sans-serif;
}

h1 {
    color: #eeeeee;
    padding: 0px;
    margin: 10px;
    border-bottom: 3px solid #eeeeee;
}

.wrapper {
    /* width: 400px; */
    margin: 0 auto;
}

.button label{
    display: block;
    background-color: lightgray;
    width: 80px;
    color: #222222;
    padding: 0px 10px;
    text-align: center;
    text-decoration: none;
    font-size: 24px;
    border-radius: 10px;
    cursor: pointer;
    user-select: none;
}

/* label:hover{
    background-color: #84c479;
} */

input:checked+label{
    background-color: #229f0c;
    color: #eeeeee;
}

input {
    display: none;
}

table {
    margin: 3px auto;
    /* width: 350px; */
}

td {
    height: 50px;
    margin: 0px auto;
}

div.play {
    width: 74px;
    height: 74px;
    box-sizing: border-box;
    border-style: solid;
    border-width: 37px 0px 37px 74px;
    border-color: transparent transparent transparent #eeeeee;
    cursor: pointer;
    margin: 40px auto;
}

div.resetButton {
    display: flex;
    align-items: right;
    /* width: 350px; */
    margin: 0 auto;
}

button#resetButton {
    border-radius: 10px;
    height: 50px;
    line-height: 50px;
    font-size: 18px;
    margin: 0 0 0 auto;
    padding: 0px 30px;
}

div.freqList {
    margin: 20px auto;
    color: #eeeeee;
    width: 350px;
    font-size: 20px;
}

div.freqList th, div.freqList td {
    border-bottom: 1px solid #eeeeee;
}

div.freqList td {
    text-align: center;
}

th.freqListNo {
    width: 50px;
}
th.freqListFreq {
    width: 300px;
}