* {
	margin: 0;
	padding: 0;
}

body {
    margin: 0;
    padding: 0px 0;
    background-color: rgb(245, 248, 196);
    font-family: Arial, Helvetica, sans-serif;
}

h1 {
    text-align: center;
    font-size: 3rem;
    color: blue;
}

p {
    text-align: center;
    font-size: 1.5rem;
    margin: 1em 20%;
}

table.calmain {
    margin-left: auto;
    margin-right: auto;
    margin-top: 2%;
    background: black;
    padding: 7px 5px;
    border: 6px solid black;
    padding-bottom: 0;
    box-shadow: 0 0 25px #1f5969;
    border-radius: 10px;
}

input.result {
    margin-bottom: 10px;
    text-align: right;
    color: white;
    background-color: rgb(92, 92, 92);
    width: 400px;
    height: 50px;
    border: 2px solid rgb(247, 243, 243);
    padding: 10px 10px;
    font-size: 40px;
    font-weight: 600;
    border-radius: 5px;
}

button {
    padding: 10px 10px;
    width: 100px;
    height: 60px;
    margin-bottom: 7px;
    font-size: 26px;
    font-weight: 600;
    background: #768677;
    color: white;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background: #4f5a50;
}

button.clear {
    color: rgb(255, 254, 254);
    background: #fa4c4c;
}

button.clear:hover {
    background: #fa0202;
}
button.equal {
    margin-left: 10px;
    width: 89%;
    background:#60f552;
    color: white;   
}

button.equal:hover {
    background:#17fc03;   
}

button.plus {
    margin-left: 10px;
    width: 89%;
    background:#768677;
    color: white;   
}

button.plus:hover {
    background:#4f5a50;   
}
td.name {
    color: white;
    text-align: center;
    font-size: 26px;
    font-weight: 600;
    font-family: Arial, Helvetica, sans-serif;
}

span.blue {
    color: rgb(160, 252, 252);
}