html {
    font-size: 62.5%;
    box-sizing: border-box;
  }
  
  *, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: inherit;
  }

.container {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-image: radial-gradient(circle,  rgb(255, 255, 255), rgba(255, 255, 0, 0.289));
}

.calc{
    border: 1px solid #a19f9f;
    border-radius: 1px;
    width: 400px;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

.display {
    width: 100%;
    font-size: 5rem;
    height: 80px;
    border: none;
    background-color: #252525;
    color: #fff;
    text-align: right;
    padding-right: 20px;
    padding-left: 10px;
    
}

.result {
    font-size: 60px;
}

.buttons {
    display:grid;
}

.numbers {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.b0 {
  grid-column: 2 / 3;
}

.functions {
  display: flex;
  justify-content: space-evenly;
}

.operators {
    color: #337cac;
    display: grid;
    grid-auto-flow: column;
  }

.button {
    height: 60px;
    background-color: #fff;
    border-radius: 3px;
    border: 1px solid #c4c4c4;
    background-color: transparent;
    font-size: 2rem;
    color: #333;
    background-image: linear-gradient(to bottom,transparent,transparent 50%,rgba(0,0,0,.04));
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.05), inset 0 1px 0 0 rgba(255,255,255,.45), inset 0 -1px 0 0 rgba(255,255,255,.15), 0 1px 0 0 rgba(255,255,255,.15);
    text-shadow: 0 1px rgba(255,255,255,.4);
  }
  
  .button:hover {
    background-color: #eaeaea;
  }

  .reset {
    background-color: #f0595f;
    border-color: #b0353a;
    color: #fff;
    flex: 1;
  }
  
  .reset:hover {
    background-color: #f17377;
  }
  
  .equal {
    background-color: #2e86c0;
    border-color: #337cac;
    color: #fff;
    flex: 2;
  }
  
  .equal:hover {
    background-color: #4e9ed4;
  }