header{
    display: flex;
    padding: 2px 12px;
    align-items: center;
    justify-content: space-evenly;
}
@media screen and (max-width: 426px){
    header{
        padding-top: 10px;
        flex-direction: column;
    }
    header a{
        width: 100%;
        border-bottom: 1px solid lightgrey;
    }
    header a:nth-last-child(1){border-bottom: none}
}
header a{
    text-decoration: none;
    color: #5e5e5e;
    font-weight: bold;
    padding: 8px;
    border-radius: .25rem;
    transition: linear all .2s;
}
header a.active{
    text-shadow: 1px 1px 13px dimgrey;
}
header a:hover{
    text-shadow: 1px 1px 13px #040080;
}