#body-container{background: #fff;border: none;}
#header {position: sticky;background: #5F6657;}
.logo-container{opacity: 1;visibility: visible;}
#header .book-btn-header > a{/*background: var(--btn-sticky-header-color);*/transition: all .4s ease;}
#header .book-btn-header > a > span {color: var(--font-color-green);}
#changeLang{border: 1px solid var(--header-border);background-color: transparent;color: var(--font-color-light);background-image: url(../../img/frontpage/arrow2-white.svg);}


.book-btn-header > a:before {background:var(--btn-sticky-header-color);}
.book-btn-header > a:after{border-color: var(--btn-sticky-header-color);}
.book-btn-header > a:hover:after {transform: scale3d(1,1,1);border-color:var(--btn-sticky-header-color);}