style.css

* {
    box-sizing: border-box;
  }
  
  body {
    margin: 0;
    font-family: Arial;
    background-color: #f7f7f7;
  }
  
  .container{
    width: 60%;
    /* background-color: white; */
    left: 20%;
    top: auto;
    position: absolute;
    /* border: 2px solid #e4dfdf; */
}

  .header {
    text-align: center;
    padding: 32px;
  }
  h1{
      text-align: center;
  }
  .row {
    display: -ms-flexbox; /* IE10 */
    display: flex;
    -ms-flex-wrap: wrap; /* IE10 */
    flex-wrap: wrap;
    padding: 0 4px;
  }
  
  /* Create four equal columns that sits next to each other */
  .column {
    -ms-flex: 25%; /* IE10 */
    flex: 25%;
    max-width: 25%;
    padding: 0 4px;
    border: 1px solid #e8e8e8;
  }
  
  .column img {
    margin-top: 8px;
    vertical-align: middle;
    width: 80%;
    /* height: 80%; */
    margin: 10%;
  }
  
  /* Responsive layout - makes a two column-layout instead of four columns */
  @media screen and (max-width: 800px) {
    .column {
      -ms-flex: 50%;
      flex: 50%;
      max-width: 50%;
    }
  }
  
  /* Responsive layout - makes the two columns stack on top of each other instead of next to each other */
  @media screen and (max-width: 600px) {
    .column {
      -ms-flex: 100%;
      flex: 100%;
      max-width: 100%;
    }
  }

  input[type=text] {
    /* width: 100%; */
    padding: 12px 20px;
    margin: 8px 8px;
    /* display: inline-block; */
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    margin: auto;
    display: flex;
    width: 80%;
  }
  input[type=submit] {
    /* width: 100%; */
    background-color: #febd69;
    color: white;
    padding: 14px 20px;
    margin: 8px 0;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin: auto;
    display: flex;
    /* width: 13%; */
  }
  
  input[type=submit]:hover {
    background-color: #e6a148;
  }

  form{
    margin: auto;
    display: flex;
    width: 25%;
    padding-bottom: 1em;
  }