p.tyui {
color: #F00;
font-weight: bold;
}
.manual_image {
max-width :390px;
width :80%;
}

.manual_image300 {
max-width :300px;
width :50%;
}

.manual_image200 {
max-width :200px;
width :30%;
}

.yoko {
  float: left;
}