main.css

body
{
background-color:black;
}

#caldisplay
{
    height: 40px;
    width: 210px;
    margin-left: 5px;
    border-radius: 15px;
    background-color: #A8C64E;
    border: 2px black solid;
    font-size:25px;
    text-align:right;
    font-family:'digital-clock-font'
}

button
{
height:35px;
width:35px;
font-size:25px;
margin-right:3px;
margin-left:3px;
}

h1{
color:white;
margin:auto;
text-align:center;
margin-top:10%;
font-family:"copperplate";
font-size:35px;
}
.resultBtn
{
height:35px;
width:125px;
}

.container
{
margin: auto;
margin-top:1%;
height:320px;
width:230px;
border: 2px white solid;
padding:5px;
background-color:#3C412C;
}

.keypad
{
padding-top:12px;
padding-bottom:5px;
padding-left:5px;
padding-right:5px;
text-align:center;
}