* {
    margin: 0;
    padding: 0;
}

.wrapper {
    position: absolute;
    left: 50%;
    transform: translate(-50%, 0%);
}
body {
    font-family: 'Noto Sans JP', sans-serif;
    background-color: #eee;
}

h1 {
    font-weight: 300;
}

.intro{
    padding: 10px 0 0 20px;
    font-size: 1.5em;
}

table {
    margin-top: 30px;
    width: 100%;
    border-collapse: collapse;
}

.table td,.table  th{
    border: 1px solid #333;
    width: 500px;
    text-align: center;
}

a {
    color: green;
    text-decoration: none;
}

.footer {
    position: absolute;
    bottom: -100px;
}