* {
    margin: 0;
    padding: 0;

}

body {
    text-align: center;

    justify-content: center;

}
.cal{
    font-size: 26px;
    font-weight: 900;
}

.calculator {
    background-color: black;
    color: white;
    width: 30%;
    margin: auto;
   margin-top: 47px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    border-radius: 15px;
    margin-bottom: 40px;
    padding: 0px 10px;

}

.screen {
    align-self: end;
    width: 70%;
    height: 95px;
    margin: 10px;
    display: flex;
    justify-content: end;
    align-items: self-end;
    flex-direction: column;
}

.screen p {
    padding-bottom: 10px;
}

.opperetions {
    display: flex;
    border: 2px solid white;
    width: 100%;
    height: 445px;
    padding: 30px;
}
.opperetions button{
    border: none;
    outline: none;
    background-color: transparent;
    color: white;
    border: 2px solid white;
    border-radius: 50%;
    padding: 30px;
    margin: 4px 10px;
    cursor: pointer;
   
}
.numbersCharacter{
    border: 2px solid white;
  width: 81%;
}
.opperetions{
    display: grid;
   grid-template-columns: 1fr 1fr 1fr 1fr;

}
.calculetion{
    border: 2px solid white;
        display: flex;
    flex-direction: column;

}
.opperetions button:nth-child(-n+4){
    background-color: rgba(211, 211, 211, 0.357);

}
.opperetions button:nth-child(4n+4){
    background-color: rgba(211, 211, 211, 0.357);

}
@media screen and (max-width:425px){
    .calculator{
        width: 100%;
    }
    
}