@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.animate-underline-expand {
    position: relative;
}
.animate-underline-expand:hover:before {
    visibility: visible;
    transform: scaleX(1);
}
.animate-underline-expand:before {
    content: "";
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--color-header-menu-link-active);
    visibility: hidden;
    transform: scaleX(0);
    transition: transform 0.2s ease-in-out;
}

.fade-enter-active, .fade-leave-active {
    transition: opacity .3s;
}
.fade-enter-from, .fade-leave-to {
    opacity: 0;
}
.fadeHeight-enter-active, .fadeHeight-leave-active {
    transition: opacity .5s, max-height 1s;
    max-height: 100vh;
    overflow: hidden;
}
.fadeHeight-enter-from, .fadeHeight-leave-to {
    opacity: 0;
    max-height: 400px;
}