@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Roboto", sans-serif;
  background: rgb(142, 94, 174);
  background-color: #404258;
}

h1 {
  text-align: center;
  margin-top: 1rem;
  color: rgb(27, 26, 23);
}

.main-container {
    position: absolute;
    left: 50%;
    top: 15%;
    transform: translate(-50%);
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 3px 3px 5px #000;
    background-color: #50577A;
    color: #49FF00;
    max-width: 20rem;
  }

#display{
    text-align: right;
    background-color: #404258;
    padding: .5rem;
    font-size: 1.3rem;
    height: 3rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: end;
    color: #49FF00;
    outline: 0;
    width: 100%;
}

#display:focus{
    outline: 0;
}

.buttons{
    display: grid;
    grid-template-columns: repeat(4, auto);
    gap: 1rem;
}

.button{
    background-color: #404258;
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 1.5rem;
    padding: 1rem;
    box-shadow: 1px 1px 5px #000;
}


.copyright {
    width: 100%;
    position: fixed;
    bottom: 2%;
    left: 50%;
    text-align: center;
    transform: translate(-50%);
  }
  
  .copyright a {
    color: #280b45;
    text-decoration: none;
  }