.header {
    width: 100%;
    margin-top: 40%;
    text-align: center;
}

.center {
    font-size: 45px;
}

.line-through {
    text-decoration: line-through;
}


@media (min-width: 400px){
    .center {
        font-size: 20px;
    }
    .header {
        margin-top: 25%;
    }
  }

@media (max-width: 330px){
    .center {
        font-size: 30px;
    }
    .header {
        margin-top: 25%;
    }
  }