html,body{
    margin: 0 auto;
    background-color:#F1F1F1;
}

main{
    width: 100%;
    height: 100vh;
}

.parent{
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 100%;
    font-size: 30px;
    color: #FF6F61;
}

.text{
    margin-bottom: 100px;
}

.btn-flat-border {
    display: inline-block;
    padding: 0.3em 1em;
    text-decoration: none;
    background: #67c5ff;
    color: white;
    border-radius: 3px;
    transition: .4s;
    font-size: 20px;
  }