style.css

*{
    padding: 0%;
    margin: 0%;
}
body{
    background: url(https://cdn.wallpapersafari.com/64/0/lZ0M2D.png);
}
.colculator{
    width: 300px;
    border-radius: 5px;
    background-color:rgba(0,0,0,0.7);
    padding: 10px;
    box-shadow: 4px 4px 10px gray;
    align-items: center;
    
}
.display{
    height: 60px;
    font-size: 21px;
    text-align: right;
    padding: 5px;
    background-color: antiquewhite;
    border: 1px solid grey;
    border-radius: 5px;
    
    margin-bottom: 10px;
    overflow: auto;
}
.buttons{
    display: grid;
    grid-template-columns: repeat(4,2fr);
    gap: 6.8px;
}
button{
    height:49px;
    width: 55px;
    font-size: 25px;
    border: none;
    border-radius: 5px;
    cursor: pointer;

}
button:hover{
    background-color: burlywood;
}