* {
    padding: 0;
    margin: 0;
}

section {
    height: 95vh;
    width: 100vw;
    background-color: #484444;
    position: relative;
    font-family: poppins;
}

.container {
    height: 600px;
    width: 400px;
    background-color: white;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    padding: 10px;
    box-sizing: border-box;
    border: 2px solid black;
    border-radius: 15px;
}

.display {
    height: 40%;
    width: 100%;
    /* background-color: yellow; */
    text-align: right;
}

.buttons {
    height: 60%;
    width: 100%;
    /* background-color: green; */
    display: grid;
    grid-template-rows: repeat(5, 1fr);
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    padding: 10px;
    box-sizing: border-box;
    border-top: 2px solid black;
}

.expression {
    /* background-color: blue; */
    height: 65%;
    width: 100%;
    font-size: 3rem;
    padding: 7px;
    box-sizing: border-box;
}

.result {
    /* background-color: pink; */
    height: 35%;
    width: 100%;
    font-size: 3rem;
    padding: 7px;
    box-sizing: border-box;
}

.btn {
    background-color: orange;
    text-align: center;
    align-content: center;
    border-radius: 50px;
    font-weight: bolder;
    color: white;
    /* outline: 2px solid black; */
    cursor: pointer;
}
.btn:hover{
    background-color: rgb(182, 123, 14);
    transition: 0.2s;
}
footer{
    background-color: #484444;
    color: white;
    text-align: center;
    font-family: poppins;
    height: 5vh;
    padding: 2px;
    box-sizing: border-box;
}
footer p a{
    text-decoration: none;
    color:#8f8989;
    font-weight: 500;
}
footer p a:hover{
    color: white;
    text-decoration: underline;
    transition: 0.15s;
    
}
footer p a i{
    font-size: 1.5rem;
    vertical-align: middle;
}
footer p a i:hover{
    transform:scale(1.2);
    color:#ffffff;
    box-shadow: 0px 0px 2px white;
    transition: 0.15s;
}