.bg-blue {
    background: linear-gradient(to bottom, #1570cd 0%, #118fe4 50%, #1570cd 100%);
}

.bg-grey {
    background-color: linear-gradient(to right, #545455 0%, #818386 50%, #545455 100%);
}

.center {
    margin: auto;
    width: 50%;
    text-align: center;
  }

  .big_font{
    font: normal normal bold 60px Tahoma;
  }

  .normal_font{
    font: normal normal bold 30px Tahoma;
  }

  body {
    background-color: #118fe4;
    color: #545455;
}

  img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 50%;
  }