body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    background-color: #000000;
    font-family: helvetica, sans-serif;
    font-size: 16px;
    color: #eeeeee;
}

.main {
    position: relative;
    width: 100%;
    height: 100vh;
    line-height: 0;
}

.header {
    width: 100%;
    border-bottom: 1px solid #ffffff;
    box-sizing: border-box;
}

.footer {
    position: relative;
    width: 100%;
    padding: 20px;
    font-size: 12px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    box-sizing: border-box;
}