.square{
    position: absolute;
    left: 50%;
    width: 300px;
    height: 300px;
    background-color: blue;
    
}
.nostop{
    margin-top: 400px;
}

p{
    text-align: center;
    margin: 25% auto;
    color: aliceblue;
    font-size: xx-large;
}
.nostop:hover{
    animation: rotate 0.6s linear infinite;
}

.stop:hover{
    animation: rotate 0.6s linear ;
}

@keyframes rotate {
    0% {
      transform: rotate( 360deg ) scale( 1 );

  }
}

.fond{
    display: block;
    position: absolute;
    bottom: 0;
}
.bipfond{
    position: absolute;
    top: 900px;
    overflow: hidden;
    width: 100%;
    height: 600px;
    left: 0%;

}

.panneau{
    position: absolute;
    width: 10px;
    bottom: 200px;
    left: 50%;
}

.play{
    position: absolute;
    left: 70px;
    top: 30%;
}

.panneau:hover ~ .bipbip > img{
    animation: moveAndGrow 6s forwards;
    pointer-events: none;

}

.panneau:hover ~ .message{
    animation: showMessage 6s forwards;
    pointer-events: none;
}

.bipbip{
    opacity: 1;
    position: absolute;
    bottom: 0%;
    width: 100px;
    left: -100px;
}

.bipbip > img{
    width: 100px;
}

.message {
    position: absolute;
    background-color: blue;
    color: white;
    padding: 10px;
    border-radius: 5px;
    font-size: 16px;
    top: 100px; 
    left: 20px; 
    opacity: 0;
}

@keyframes showMessage {
    0% {
        transform: translateX(0);
        width: 100px;
        opacity: 0;
    }
    25%{
        opacity: 0;
    }
    50% {
        transform: translateX(40vw);
        width: 300px;
        opacity: 1;
    }
    75% {
        opacity: 0;
    }
    100%{
        transform: translateX(100vw);
        width: 100px;
        opacity: 0;
    }
}

@keyframes moveAndGrow {
    0% {
        transform: translateX(0);
        width: 100px;
    }
    50% {
        transform: translateX(40vw);
        width: 300px;
    }
    100%{
        transform: translateX(100vw);
        width: 100px;
    }
}