@import url('https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300..800;1,300..800&display=swap');
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
    background-color: hsl(36, 26%, 81%);
    font-family: "Open Sans", sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

#calculator{
    background-color: black;
    max-width: 500px;
    border-radius: 25px;
    background-color: (0, 0%, 15%);
}
.grid-container{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 5px;
    padding: 25px;
}

.item{
    height: 100px;
    width: 100px;
    border-radius: 50%;
    background-color: hsl(0, 0%, 30%);
    color: white;
    border: none;
    font-size: 36px;
    font-weight: bold;
    cursor: pointer;
}

.item0{
    grid-column-start: 1;
    grid-column-end: 3;
    width: 200px;
    border-radius: 50px;
    text-align: start;
    padding-left: 40px;
    
}

.operator{
    background-color: #fe9605;
    
}

.operator1{
    background-color: #a5a5a5;
    color: black;
}

input{
    height: 100px;
    width: 100%;
    border: none;
    border-radius: 25px 25px 0px 0px;
    font-size: 3rem;
    padding: 25px;
    background-color: hsl(0, 0%, 30%);
    color: white;
    font-weight: bold;
}

.item:hover{
    background-color:  hsl(0, 0%, 60%);
}
.operator1:hover{
    background-color:  hsl(0, 0%, 30%);
}
.operator:hover{
    background-color:  hsl(35, 99%, 70%);
}