@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@100&display=swap");
body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    height: 100vh;
    display: flex;
    align-items: center;
}

.container {
    height: 400px;
    width: 280px;
    box-sizing: border-box;
    margin: auto;
    border-radius: 10px;
}

.resultArea {
    box-sizing: border-box;
    height: 12%;
    width: 100%;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
    border-radius: 10px;
    margin-bottom: 10px;
}

.resultArea>input {
    box-sizing: border-box;
    margin: 0;
    height: 100%;
    width: 100%;
    font-size: 25px;
    font-family: "Roboto", sans-serif;
    font-weight: bold;
    text-align: right;
    padding-right: 20px;
    outline: none;
    border: none;
    background: rgb(0, 0, 0);
    background-color: white;
    color: black;
    border-style: hidden;
    border-radius: 10px;
    cursor: context-menu;
    pointer-events: none;
}

.numberArea {
    height: 85%;
    width: 100%;
    box-sizing: border-box;
    display: table;
}

table {
    box-sizing: border-box;
    border-collapse: collapse;
    width: 100%;
    height: 100%;
    border-style: hidden;
    border-collapse: separate;
}

.btns {
    width: 70px;
    height: 5px;
    text-align: center;
    color: #fff;
    font-family: "Roboto", sans-serif;
    font-weight: bold;
    cursor: pointer;
    border: 2px solid #fff;
    background-color: #070707;
    border-radius: 10px;
    user-select: none;
    border-radius: 50%;
}

.btns:hover {
    background-color: #4d4b4b;
}

#equal {
    background-color: #c92563;
}

#equal:hover {
    background-color: #f70662;
}

#percentage,
#clear,
#backspace,
#divide,
#multiply,
#plus,
#minus {
    background-color: #232e31;
}

#ce:hover,
#clear:hover,
#backspace:hover,
#divide:hover,
#multiply:hover,
#plus:hover,
#minus:hover {
    background-color: #222525;
    background-color: #4d4b4b;
}

#para {
    text-align: center;
    font-size: 15px;
    margin-top: -50px;
    margin-bottom: 10px;
    font-family: monospace;
    box-sizing: border-box;
    cursor: context-menu;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}