style.css

.calculatorMain {
    width: 350px;
    height: 400px;
    background-color: #181B28;
    border-radius: 15px;
    box-shadow: 2px 2px 4px black;
}

.displayScreen {
    width: 100%;
    height: 15%;
    padding: 10px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    border-radius: 15px;

}


.input {
    height: 100%;
    width: 90%;
    border-radius: 3px;
    padding: 5px;
    background-color: white;
    box-sizing: border-box;

}

.Reset {
    height: 100%;
    width: 10%;
    margin: 0px 1px 0px 1px;
    background-color: #e6326b;
    border-radius: 3px;
    border: 0px;
}

h2 {
    padding: 0px;
    margin: 0px;
    text-align: right;

}

.keys {
    width: 100%;
    height: 80%;
    background-color: #1b192c;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    padding: 15px;
    box-sizing: border-box;
}

.number {
    width: 27%;
}

.transactions {
    width: 15%;
}

.number,
.transactions {
    height: 50px;
    background-color: #5F2A89;
    border-radius: 3px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
   font-weight: bold;
   font-size: 150%;
}