.header{background-color:#174996a6;color:#fff;height:6em;justify-content:center;letter-spacing:.1em;position:absolute;width:100%;z-index:10}.header,.header-content{align-items:center;display:flex}.header-content{justify-content:space-between;width:90%}.header-logo-link{color:#fff;text-decoration:none}.header-logo-link,.nav-items{align-items:center;display:flex}.nav-items{font-size:1.2rem;gap:1.3em}.school-name{font-size:1.2rem;font-weight:700;margin-left:1em}.nav-item{color:#fff;letter-spacing:.1em;text-decoration:none}.nav-item:hover{color:#b1b1b1}.logo{width:3.2em}#visit-library-btn{font-size:1.2rem;font-weight:700;margin:0;padding-inline:1em}.profile-container{color:#1b3258;display:flex;gap:1em;position:relative}.profile{align-items:center;display:flex;flex-direction:column}.profile-icon{cursor:pointer;height:3em;width:3em}.profile-active,.profile-icon:hover{filter:brightness(.8)}.guest-label{color:#6c757d;margin-left:8px}.dropdown-menu{background:#fff;border:1px solid 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