*
  {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  outline: none;
  }
body
  {
    background-image: url(../img/background.jpg);
    background-repeat: none;

  }
.logo
  {
    margin-left: 5px;
    margin-top: 5px;
    margin-bottom: 10px;
  }
.container
  {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
  }
.calculator
  {
    background-image: url(../img/calc_bg.jpeg);
    background-size: cover;
    padding: 15px;
    border-radius: 30px;
    box-shadow:  1px 1px 6px white,
                 1px 1px 6px rgba(0, 0, 0, .16);
    display: grid;
    grid-template-columns: repeat(4, 68px);
  }
input
  {
    font-family: sans-serif;
    grid-column: span 4;
    height: 70px;
    width: 260px;
    background-color: white;
    box-shadow: inset -5px -5px 12px rgb(223, 217, 217)
                inset  5px 5px 12px rgba(0, 0, 0, .16);
    border: none;
    border-radius: 30px;
    color: rgb(70, 70, 70);
    font-size: 50px;
    text-align: end;
    margin: auto;
    margin-top: 20px;
    margin-bottom: 30px;
    padding: 20px;
  }
button
  {
    font-weight: bold;
    height: 48px;
    width: 48px;
    background-color: white;
    box-shadow:  1px 1px 6px white,
                 1px 1px 6px rgba(0, 0, 0, .16);
    border: none;
    border-radius: 50%;
    margin: 8px;
    font-size: 16px;
  }
.Equal
  {
    font-weight: bold;
    font-size: 25px;
    width: 115px;
    border-radius: 40px;
    background-color: white;
    box-shadow:  1px 1px 6px white,
                 1px 1px 6px rgba(0, 0, 0, .16);
  }
h1
  {
    background-color:bisque;
    font-family:Georgia, 'Times New Roman', Times, serif;
    margin:auto;
    padding: 10px;
    color: rgb(51, 40, 24);
    font-style: oblique;
  }
h3
  {
    color: aliceblue;
    margin: auto;
    margin-top: 5px;
  }
.footer
  {
    background-color: bisque;;
  }