div.fond {
width: 800px; height: 800px; position: absolute; top: 0px; left:0px; padding-top: 50px; text-align: center; background-image: url('./v1/transpix.png'); background-repeat: repeat; visibility: hidden;
}

div.avert {
width: 750px; height: 800px; position: absolute; border: 1px solid #000000; background-color: black; color: white; padding: 50px; text-align: justify; margin-left: 5px; margin-top: 0px; visibility: hidden; font-size: 11pt;
}