style.css

*{
    overflow: auto;
}

body{
    background-color: #8BA1BB;
    font-family: Arial, Helvetica, sans-serif;
    margin: auto;
}

p.category{
    background-color: black;
    color: white;
    text-align: center;
    margin-top: -22px;
    padding: 8px 18px;
    display: inline-block;
    font-weight: bold;
    font-size: 1.5rem;
}

div.category{
    margin: 0;
    padding: 0;
    overflow: visible;
}

div.card{
    background-color: white;
    padding: 0px 8px 20px 8px;
    margin: 40px 8px 40px 8px;
    box-shadow: 0px 0px 7px 7px rgba(0, 0, 0, 0.2);
    overflow: visible;

}

h1{
    text-align: center;
    margin-bottom: 12px;
    margin-top: 10px;
}

/* le texte est centré dans son bloc et pour pouvoir centrer ce bloc, on l'enveloppe d'une div et on utilise display : inline-block */
p.description{
    max-width: 400px;
    text-align: center;
    font-size: 1rem;
    display: inline-block;
    
}

/* on centre le bloc texte contenu dans la div  */
.centre{
    text-align: center;
    width: 100%;

}

div.separator{
    background-color: black;
    width: 100px;
    height: 1px;
    margin-left: auto;
    margin-right: auto;
    
}

div.infos{
    position: relative;
}

table.infos{
    position: absolute; 
    bottom:0; 
    width:100%; 
    color:white; 
    background-color: #6C829DC0; 
    height: 50px;
}
/*tous les tds des tables avec la classe infos*/
table.infos td{
    text-align: center;
    font-size: 12px;
    vertical-align: top;
}

table.infos th{
    font-size: 14px;
    vertical-align: bottom;
    padding-bottom: 0.3rem;
}

img.infos{
    display: block;
    max-height: 400px;
    object-fit: cover;
    min-height: 200px;
    background-color: lightgrey;

}

div.colonne{
    width: 100%;
    margin-top: 20px;
}

div.colonne h2{
     text-align: center;
     text-transform: uppercase;
     font-size: 1.2rem;
     border-bottom: 7px solid #6C829D;
     padding-bottom: 5px;

}

div.colonne1{
    display: inline-block;
}

div.ingredient p{
    text-align: center;
    font-size: 1rem;
    border: 1px solid lightgray;
    padding: 0.6rem 0;
    margin: 0.4rem 0;
}

table.preparation p.numero{
    background-color: #6C829D;
    color: white;
    width: 1.5rem;
    height: 1.5rem;
    text-align: center;
    font-size: 1rem;
    font-weight: bold;
    padding-top: 0.2rem;
    box-sizing: border-box;
    border-radius: 50%;
    margin: 0;
}

table.preparation td{
    vertical-align: top;
}

table.preparation tr{
    height: 3rem;
}

table.preparation td.etape{
    font-size: 1.2rem;
    padding-left: 1rem;
    padding-bottom: 0.7rem; 
}

/* desktop only */
@media only screen and (min-width: 768px){
    div.card{
        min-width: 350px;   
        padding: 0px 30px 30px 30px;
        margin: 60px 10% 80px 10%;
    }
    table.infos{
        height: 6rem;
    }
    table.infos td{
        font-size: 1rem;
    }
    
    table.infos th{
        font-size: 1.2rem;
    }
    div.colonne{
        width: 45%;
    }
        
    div.colonne1{
        margin-right: 10%;
    }
    
    div.colonne2{
        float:right;
    }
}

@media only screen and (min-width: 900px){
    div.card{
        width: 660px;
        margin-left: auto;
        margin-right: auto;
    }
}