*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    scroll-behavior: smooth;
    font-family:Verdana, Geneva, Tahoma, sans-serif;
}
body{
    display: flex;
    background: linear-gradient(135deg, #ffdf4e 0%, #ff2010 100%); 
    justify-content: center;
    align-items: center;
    height: 100vh;
}

:root{
    --main-color: rgb(230, 122, 0);
    --second-color: rgb(117, 117, 117);
    --text-color: rgb(44, 18, 0);
}
.box-container{
    background-color: rgb(49, 44, 40);
    border: none;
    border-radius: 16px;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.541);
    min-width: 100px;

}
.calculator{
    display: grid;
    grid-template-columns: repeat(4, 60px);
    grid-template-rows: auto;
    gap: 15px;
    width: max-content;
    margin: 20px;
}

.calculator button{
    border: none;
    border-radius: 12px;
    box-shadow: 0 7px 20px rgba(0, 0, 0, 0.644);
    height: 60px;
    background-color: rgb(66, 61, 56);
    color: white;
    font-weight:bold;
    font-size: 16px;
}
#clear{
    background-color: #d64c42;
}
.calculator .operations{
    background-color: #e79c45;
}
#minus{
    font-size: 35px;
    font-weight:lighter;
}
.display{
    grid-column: 1/-1;
    background: rgb(255, 173, 21);
    color: white;
    font-size: 30px;
    padding: 10px;
    text-align: right;
    border-radius: 8px;
    align-items: center;

    box-shadow: inset 2px 2px 5px rgba(0,0,0,0.6),
                inset -2px -2px 5px rgba(255, 255, 255, 0.527);
    border: 1px solid #333;
    height: 60px;
}
#equal{
    background-color: rgb(66, 150, 66);
    width: 225%;
}

.calculator button:active{
    transform: scale(0.95);

}

.calculator button:hover{
    box-shadow: 0 7px 20px rgba(0, 0, 0, 0.904);
    
}