body {
  background-image:url('../img/A4pt.jpg');
  background-position:left top;
  background-repeat:repeat;
}
img{
    max-width: 100%;
    height:auto;
}
.menu {
  text-align: center;
}
.menu_btn{
    border: 0px;
    width:15%;
    height:40px;
}

.info {
  width:80%;
  margin:auto;
  position: relative;
}

.info img {
  width:100%;
  height:100%;
}
.title {
  position: absolute;
  top: 0;
  left: 0;
}