*, *::before, *::after {
    box-sizing: border-box;
    font-family: Gotham Rounded, sans-serif;
    font-weight: normal;
  }
  
  body {
    margin: 0;
    padding: 0;
    background: linear-gradient(to right, #282b2d, #302d2972);
    height: 150%;
  }

  .content{
    cursor: pointer;
    padding-top: 0%;
  }
  
h1{
    text-align: center;
    align-items: center;
    font-weight: 600;
    font-size: 5rem;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}
.icon{
    justify-self: start;
    color: rgb(214, 29, 29);
}

  .calculator-grid {
    display: grid;
    justify-content: center;
    align-content: center;
    min-height: 100vh;
    grid-template-columns: repeat(4, 100px);
    grid-template-rows: minmax(120px, auto) repeat(5, 100px);
  }
  
  .calculator-grid > button {
    cursor: pointer;
    border: 1px solid rgb(255, 255, 255);
    outline: none;
    font-size: 2rem;
    background-color: rgba(255, 255, 255, 0.75);
  }
  
  .calculator-grid > button:hover {
    background-color: rgba(255, 255, 255, 0.9);
  }
  
  .span-two {
    grid-column: span 2;
  }
  
  .output {
    grid-column: 1/-1;
    background-color: rgba(4, 8, 42, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: flex-end;
    padding: 20px;
    word-wrap: break-word;
    word-break: break-all;
  }
  
  .output .previous-operand {
    color: rgba(255, 255, 255, 0.75);
    font-size: 1.5rem;
  }
  
  .output .current-operand {
    color: rgb(255, 255, 255);
    font-size: 4rem;
  }