body {
    display: flex;
    flex-direction: column;
    font-family: "roboto", verdana, sans-serif;
    overflow-y: scroll;
    justify-content: center;
    align-items: center;
}
h1{
    font-size: 60px;
}
#calculator{
    display: flex;
    flex-direction: column;
    background-color: grey;
    border: black 5px solid;
    border-radius: 5px;
    height: 700px;
    width: 475px;
    justify-content: center;
    align-items: center;
    padding: 10px;
}
#display{
    display: flex;
    justify-content:right;
    align-items: center;
    border: black 2px solid;
    background-color: white;
    font-size: 30px;
    font-family: roboto, monospace;
    padding: 10px;
    height: 80px;
    width: 375px;
}
#calcCore{
    display: flex;
    flex-direction: row;
    margin-top: 35px;
}
#numbers{
    display: flex;
    flex-direction: column;
}
#sevenToNine{
    display: flex;
    flex-direction: row;
}
#fourToSix{
    display: flex;
    flex-direction: row;
}
#oneToThree{
    display: flex;
    flex-direction: row;
}
#zeroToClear{
    display: flex;
    flex-direction: row;
}
/*zero button*/
#nonBtn{
    margin: 10px;
    padding: 15px;
    height: 50px;
    width: 50px;;
}
#clear{
    display: flex;
    border: black 1px solid;
    height: 30px;
    width: 250px;
    background-color: blue;
    color: white;
    font-weight: bolder;
    font-size: 30px;
    justify-content: center;
    align-items: center;
    margin: 20px;
    padding: 35px;
}
#calcActions{
    display:flex;
    flex-direction: column;
    margin-left: 15px;
}
#pmRow{
    display: flex;
    flex-direction: row;
}
#mdRow{
    display: flex;
    flex-direction: row;
}
.numBtn{
    display: flex;
    justify-content: center;
    align-items: center;
    border: black 1px solid;
    background-color: #C8C8C8;
    margin: 8px;
    padding: 35px;
    font-size: 30px;
    font-weight: bold;
    height: 50px;
    width: 50px;
}
.actionBtn{
    display: flex;
    justify-content: center;
    align-items:baseline;
    border: black 1px solid;
    background-color: lightcyan;
    margin: 8px;
    padding: 30px;
    padding-bottom: 60px;
    font-size: 25px;
    height: 50px;
    width: 35px;
}
#equals{
    display: flex;
    justify-content: center;
    align-items: center;
    background-color:lightgoldenrodyellow;
    border: black 1px solid;
    font-weight: bolder;
    font-size: 25px;
    margin: 10px;
    padding: 30px;
    padding-right: 60px;
    height: 50px;
    width: 100px;
}