.explain-Header{background-color:var(--background-main-color);z-index:9;position:fixed;top:0;left:0;right:0}@media (max-width:640px){.explain-Header--button{display:none}}.explain-Header__menu-item{cursor:pointer;border-bottom:3px solid #0000}.ws-is-hover .explain-Header__menu-item:hover{border-bottom:3px solid #dcdee4}