*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.background{
    background: rgb(255,255,255);
    background: linear-gradient(29deg, rgba(255,255,255,1) 0%, rgba(51,193,196,1) 66%, rgba(51,191,196,1) 95%);
    height: 100vh;
    
}

.background .title{
    text-align: center;

}
.calculator{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgb(164,164,164);
    border-radius: 15px;
    padding: 10px;   
}

.calculator .title{
    text-align: center;
}

#result{
    
    background-color: white;
    width: 217px;
    height: 35px;
    margin: 5px;
    text-align: right;
    padding: 5px;
    font-size: 25px;
    font-weight: 700;
    
}

.button{
    width: 50px;
    height: 50px;
    font-size: 25px;
    cursor: pointer;
    border: 1px solid black;
    color: black;
    margin: 2px;
}

.button:hover{
    background-color: #aba9a9;
}