*{
    margin: 0;
    padding: 0;
    
}
body{
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-family: Arial, Helvetica, sans-serif;
    background-image: linear-gradient(to bottom, rgba(255, 0, 0, 0.504), rgba(255, 166, 0, 0.647));
}
h1{
   color: rgba(13, 13, 13, 0.773);
   font-weight: bolder;
   font-size: 50px;
   text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.46);
    padding: 10px;
}
.calculator{
   
   min-width: 300px;
    min-height: 400px;
    background-color: rgba(135, 42, 30, 0.393);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 2px 1px 2px rgba(0, 0, 0, 0.405);

}
#display{
    width: 100%;
    box-sizing: border-box;
    height: 50px;
    border-radius: 6px;
    background-color: rgb(232, 225, 225);
    border: none;
    font-size: 17px;
    text-align: right;
    padding: 5px;
    margin-bottom: 15px;
}
.box-button{
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;  /*Agrupamento em coluna*/
    grid-template-rows: 1fr 1fr 1fr 1fr 1fr; /*Agrupamento em linhas*/
    gap: 10px;
}
button{
    border: none;
    height: 60px;
    border-radius: 6px;
    font-size: 20px; 
    color: black;
}
button:hover{
    background-color:rgb(232, 225, 225);
    cursor: pointer;
    transition: 1.0s;
}
.btn-zero{
    grid-column: 1 / 3;  /*Aqui o zero vai começar da primeira coluna e ocupar duas linhas*/
}
.btn-result{
   grid-row: 4/6;
   height: 100%;
   grid-column: 4;
}
footer{
     margin-top: 30px;
    padding: 10px;
    font-size: 14px;
    
   
}