.mainsection {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
}

.form{
    display: flex;
    flex-direction: column;
}

nav {
    grid-area: nav;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}
.libsection{
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 2.5%;
    flex: 1 1 100%;
}

.book{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#formsection{
    flex: 1 1 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mainsection > * {
    flex: 1 1 50%;
}

.allcols {
    flex: 1 1 100%;
}

form {
    display: flex;
    flex-direction: column;
    gap: 1.25em;
    flex-grow: 1;
}