body {
    font-family: 'Roboto', sans-serif;
    background-color: #0A1128;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  
  #calculator {
    background-color: #1282A2;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 20px;
    width: 300px;
    border-style: outset;
  }
  
  #display {
    font-size: 1.3em;
    margin-bottom: 15px;
    padding: 35px;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #FF7E6B;
    color: #FEFCFB;
    text-align: right;
  }
  
  button {
    font-size: 1.2em;
    padding: 10px 20px;
    margin: 5px;
    border-radius: 11px;
    cursor: pointer;
    width: 60px;
    height: 60px;
    background-color: #EAC435;
    border-style: outset;
  }
  
  .top{
    display: flex;
    justify-content: space-between;
  }

  
  .container2{
    display: flex;
  }

  .center{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-right: 7px;
  }

  .right{
    display: flex;
    flex-direction: column;
  }

 #equals{
    width: 60px;
    height: 130px;
 } 
  
 button:hover{
    background-color: #FF7E6B;
    color: white;
  }
  
  button:active{
    background-color: #2c4734;
 }

#backspace,
#add,
#subtract,
#equals{
    background-color: #63A375;
    color: white;
}

#clear,
#multiply,
#divide{
    background-color: #63A375;
    color: white;
}

#backspace:hover,
#add:hover,
#subtract:hover,
#equals:hover{
    background-color: #0A1128;
    color: white;
    border: 1px solid #ccc;
}

#clear:hover,
#multiply:hover,
#divide:hover{
    background-color: #0A1128;
    color: white;
    border: 1px solid #ccc;
}