@font-face {
    src: url(fonts/AvenirNext-Regular.ttf);
    font-family: av;
}
body {
    background-color: #ffc800;
    border: 0;
    padding: 0;
    margin: 0;
}
.image {
    text-align: center;
}
.text {
    text-align: center;
    font-family: av;
    font-size: 2.5em;
}
.explan {
    font-family: av;
    margin: 5px;
    margin-left: 5px;
}