body{background-color: white;}
#imatges{
    width: 11rem;
    height: 11rem;
    margin: 2rem;
}
#a{
    justify-content:center;
    align-items:center;
    margin: 0;
    width: 80%;
}
.oper{
    width: 15rem;
    height: 8rem;
    color: black;
    padding: 0.1rem;
    text-align: right;
    padding-right: 2rem;
    font-weight: bolder;
    font-size: xx-large;
    border: 2px solid black;
    border-left: 0;
    border-bottom: 0;
}
#buit{
    width: 12rem;
    height: 8rem;
    color: white;
    font-weight: bolder;
    font-size: xx-large;
    padding: 0.1rem;
    border: 2px solid black;
    border-right: 0;
    border-bottom: 0;
}
#operador{
    width: 12rem;
    height: 8rem;
    color: black;
    padding: 0.1rem;
    text-align: center;
    font-weight: bolder;
    font-size: xx-large;
    border: 2px solid black;
    border-right: 0;
    border-bottom: 0;
}
#resultat{
    background-color: white;
    width: 27rem;
    height: 8rem;
    color: black;
    padding: 0.1rem;
    text-align: right;
    padding-right: 2rem;
    font-weight: bolder;
    font-size: xx-large;
    border: 2px solid black;
    border-top: 5px solid black;
}