@media only screen and (min-width: 32.5em) {
.content {
    border-color: #888D91;
}
h1{
    font-size: 2.5rem;
}
h2 {
    font-size: 1.5rem;
    border-bottom: 4px solid rgba(0,0,0,0.5);
    width: 99%;
}
header {
    border-width: 3px 3px 0px 3px;
    border-style: groove;
    border-color: #383A3C;
    margin: 0 auto;
}
.navigation {
    display: flex;
}
.navigation li {
    display: block;
    flex: 1 1 100%;
}
}