/*ici on importe la police de caracter Roboto directement depuis google font*/
@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100..900;1,100..900&display=swap');
*{
    box-sizing: border-box;
}
body{
    font-family: 'Roboto', sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    overflow: hidden; /*tout element qui deborde le cadre du body sera non visible*/
    margin: 0;
}
.container{
    display: flex;
    width: 90vw;
}

.panel{
    background-size: auto 100%; /*ici le background va couvrir l'integralite de son conteneur qu'importe sa taille et les dimmension de l'image*/
    background-position: center;
    background-repeat: no-repeat;
    height: 80vh;
    border-radius: 50px;
    color: #fff;
    cursor: pointer;
    flex: 0.5;
    position: relative;
    transition: flex 0.7s ease-in;
}
.panel h3{
    font-size: 24px;
    position: absolute;
    bottom: 20px;
    left: 20px;
    margin: 0;
    opacity: 0;
}

.panel.active{
    flex: 5;
}

.panel.active h3{
    opacity: 1;
    transition: opacity 0.3s ease-in 0.4s;
    
}