*{
    box-sizing: border-box;
}
input:focus {
  outline: none;
}
body{
    background-color: black;
}
h1{
    font-size: 2.1rem;
    color: white;
    text-align: center;
    text-decoration: underline;
}
.container{
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 35px;
}
.calc-container{
    background-color: #20A4F3;
    width: 345px;
    height: 534px;
    border: 2px solid #157ebb;
    border-radius: 5px;
    display: flex;
    flex-direction: column;
}
#display{
    background-color: #F6F7F8;
    border: 2px solid black;
    border-radius: 5px;
    margin: 12px 15px;
    padding-top: 4px;
    padding-right: 5px;
    height: 83px;
    width: auto;
    text-align: end;
    font-size: 2rem;
    font-weight: 500;
}
.button-cont{
    background-color: lightpink;
    border: 2px solid black;
    border-radius: 5px;
    width: 311px;
    height: 469px;
    margin: 12px 15px;
    display: grid;
    grid-template-columns: 60px 60px 60px 60px;
    grid-template-rows: 60px 60px 60px 60px 60px;
    gap: 10px;
    justify-content: center;
    align-content: center;
    grid-template-areas: 
    "box-c box-div box-ml box-ms"
    "box-7 box-8 box-9 box-p"
    "box-4 box-5 box-6 box-p"
    "box-1 box-2 box-3 box-eq"
    "box-0 box-0 box-dot box-eq"
    ;

}
.button{
    background-color: whitesmoke;
    font-weight: 500;
    font-size: 1.7em;
}
.button:active{
    background-color: gold;
}