* {
    font-family: 'Source Serif Pro', serif;
    margin: 0;
    padding: 0;
}
h4 {
    padding: 1rem 0;
}

.header {
    display: flex;
    margin-top: 100px;
    margin-bottom: 50px;
    padding: 0 10%;
}

.mainDescription {
    padding: 0 10%;
    text-align: justify;
}

@media only screen and (max-width: 1000px) {

    .header {
        padding: 0;
        justify-content: center;
        align-items: center;
    }

    .mainDescription {
        padding: 10%;
    }
  }