* {
    padding: 0%;
    margin: 0%;
    box-sizing: border-box;
}

.container {
    height: 100vh;
    width: 100vw;
    background-color: blanchedalmond;
    display: flex;
    justify-content: center;
    align-items: center;
}

.inner {
    height: 500px;
    width: 350px;
    background-color: black;
    border-radius: 10px;
}

.out>.input {
    height: 50px;
    width: 95%;
    border: 1px solid grey;
    border-radius: 5px;
    background-color: rgb(221, 242, 235);   
    padding-right: 10px;
    display: flex;
    text-align: end;
    align-items: center;
    justify-content: end;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.out {
    height: 15%;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btns {
    height: calc(100% - 70px);
    width: 100%;
    display: grid;
    grid-template-columns: 70px 70px 70px 70px;
    grid-template-rows: 70px 70px 70px 70px 70px;
    padding: 15px;
    gap: 12px;
}

.btn {
    border: none;
    border-radius: 5px;
    background-color: rgb(34, 33, 33);
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: x-large;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

input{
    font-size: 2em;
    font-weight: bolder;
    color: rgb(5, 5, 5);
}