body {
}

.b001
{
    width:200px;
}
.b002
{
     visibility: visible; 
     animation-duration: 1500ms; 
     animation-delay: 400ms; 
     animation-name: fadeInLeft; 
}
.b003
{
    visibility: visible;
     animation-duration: 1500ms;
      animation-delay: 400ms;
       animation-name: fadeInLeft; 
}
.b004
{
     visibility: visible;
      animation-duration: 1500ms;
       animation-delay: 400ms;
        animation-name: fadeInRight; 
}