html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
}

body {
    font-family: "Roboto", Arial, Helvetica, sans-serif;
    font-size: 24px;
    background: #35353f url("bg.jpg") 0 0 repeat;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
}
.main {
    padding: 30px;
    text-align: center;
}
.title {
    margin-bottom: 20px;
}
.highlight {
    color: #ffb500;
    text-decoration: none;
}
.highlight:hover,
.highlight:active,
.highlight:focus {
    text-decoration: underline;
}