body {
    font-family: monospace;
    margin: 0px 20px 20px 20px
}
h1{
    font-weight: 200;
    letter-spacing: 4px;
    font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
}
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
header div {
    display: flex;
    flex-direction: column;
}
header p {
    margin: 2px;
}
@media (max-width: 600px) {
    header {
        flex-direction: column;
        align-items: flex-start;
    }
    h1 {
        font-size: 1.2em;
    }
}
#content {
    transition: transform;
}

#prevention {
    display: none;
    color: red;
}

h1::after, h2::after {
    content: '';
    display: block;
    height: 2px;
    background-color: blue;
    margin-top: 5px;
    border-radius: 5px;

}