body{
    display: flex;
    justify-content: center;
    height: 100vh;
    align-items: center;
    background-image: url("./assets/colorful-dark-wavy-background/3309587.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    
}


#calculator{
    width: 400px;
    border: 1px solid black;
    overflow: hidden;
    background-color: hsla(69, 47%, 97%, 0.558);
    border-radius: 10px ; 
}
#myH1{
    display: flex;
    justify-content: center;
    margin-top: 7px;
    margin-bottom: 7px;
    color: hsl(40, 10%, 19%);
}
#display{
    width: 100%;
    height: 60px;
    padding: 5px;
    color: hsl(0, 0%, 25%);
    border: 1px solid hsl(0, 0%, 0%);
    border-radius: 5px;
    font-weight: 600;
    font-size: 3em;
    
    
}
#keys{
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 10px;
    padding: 4px;
    justify-items: center;
    font-weight: 400;
    
}

button{
    width: 80px;
    height: 80px;
    border-radius: 50%;
    font-size: 2.5em;
    color: hsl(0, 0%, 25%);
    background-color: aliceblue;
    /* color: aliceblue; */
}
button:hover{
    background-color:hsl(208, 100%, 65%);
    color: azure;
    cursor: pointer;

}