*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}



body{
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 16px;
    background-image: linear-gradient(to right,#472758,#37274B,#2D243F,#212030,#191820,#1A121D,#1E101D,#260F21,#34102C,#3F1239,#461542,#521B52,#5A2666,#5F3479,#5E397F);
}

#structure{
    display: flex;
    flex-direction: column;
    background-color: #472758,#37274B,#2D243F,#212030,#191820,#1A121D,#1E101D,#260F21,#34102C,#3F1239,#461542,#521B52,#5A2666,#5F3479,#5E397F;
    border: 1px solid rgba(172, 8, 194, 0.617);
    box-shadow: 1vh 1vh 1vh rgba(0, 0, 0, 0.942);
    border-radius: 3vh;
    width: 400px;
    padding: 1px;
    overflow: hidden;
}

#structure h1{
    display: flex;
    justify-content: flex-start;
    color: #fff;
    font-size: 18px;
    margin: 8px 0;
    padding: 5px;
}

#previous-op{
    color: #fff;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 5px;
    overflow-wrap: break-word;
    
}

#current-op{
    color: #fff;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 5px;
    overflow-wrap: break-word;
    font-size: 18px;
    font-weight: 700;
}

#buttons{
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 3px;

}
#buttons button{
    border: 1px solid transparent;
    border-radius: 0;
    height: 85px;
    font-size: 20px;
    cursor: pointer;
    border-radius: 1vh;
    background-color: rgb(173, 159, 159);
    
}

#buttons .btn:hover{
    background-color: rgb(111, 102, 102);
    color: #733691;
    font-weight: 700;
}

#buttons #igual{
    grid-column: span 2;
    background-color: #c38fdd;
    color: #fff;
}
#buttons #igual:hover{
    background-color: #b57ecf;

}