.container {
    max-width: 400px;
    margin: 10vh auto 0 auto;
    box-shadow: 0px 0px 43px 17px rgba(153, 153, 153, 1);
    background-color: orange;
    color: white;
}

.buttons {
    
    box-shadow: black 0 20px 30px;
    color: white;
    display: grid;
    border-bottom: 1px solid #999;
    border-left: 1px solid #999;
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
}

.buttons > div {
    border-top: 1px solid #999;
    border-right: 1px solid #999;
}

.operand {
    background-color: rgb(74, 74, 75);
    border: 0.5px solid #999;
    border-radius: 20%;
    line-height: 100px;
    text-align: center;
    font-size: 25px;
    cursor: pointer;
}

.operand:hover {
    transition: 500ms;
    background-color: gold;
    color: black;
}

.button {
    background-color: rgb(21, 24, 212);
    border: 0.5px solid #999;
    border-radius: 20%;
    line-height: 100px;
    text-align: center;
    font-size: 25px;
    cursor: pointer;
}

.button:hover {
    transition: 500ms;
    background-color: gold;
    color: black;
}

.auxilary {
    background-color: rgb(168, 2, 2);
    border: 0.5px solid #999;
    border-radius: 20%;
    line-height: 100px;
    text-align: center;
    font-size: 25px;
    cursor: pointer;
}

.auxilary:hover {
    transition: 500ms;
    background-color: gold;
    color: black;  
}

.equal {
    background-color:  rgb(43, 42, 42);
    border: 0.5px solid #999;
    border-radius: 20%;
    line-height: 100px;
    text-align: center;
    font-size: 25px;
    cursor: pointer;  
}

.equal:hover {
    transition: 500ms;
    background-color: gold;
    color: black; 
}
.display {
    text-align: right;
    height: 70px;
    min-width: 391px;
    line-height: 70px;
    padding: 16px 8px;
    font-size: 25px;
    background-color: black;
    
    width: 335px;
    padding: 1%;
    left: 30px;
}