.header{position:relative;transition:top .3s;z-index:999}.sticky{box-shadow:0 4px 14px 0 #0000000d;position:fixed;top:0;width:100%}#loginBTN{color:#000;text-underline-offset:4px;transition:all .3s ease}#loginBTN:hover{text-decoration:underline;text-underline-offset:4px}@media (max-width:868px){.header_buttons{display:none}#registerBTN{color:#fff;margin-left:20px;width:fit-content}}