/* base */
body {
    /* background-color: #ccc; */
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
    height: 100vh;
}

#photo:hover {
    animation-name: rotate;
    animation-duration: 1.818s;
    animation-iteration-count: infinite;
    animation-timing-function: linear;
}

/* header */
.nav-masthead .nav-link {
    border-bottom: .25rem solid transparent;
}

.nav-masthead .nav-link:hover,
.nav-masthead .nav-link:focus {
    border-bottom-color: var(--bs-secondary);
}

.nav-masthead .nav-link+.nav-link {
    margin-left: 1rem;
}

/* embed thingie */
.youtube-video-container {
    position: relative;
    overflow: hidden;
    width: 100%;
}

.youtube-video-container::after {
    display: block;
    content: "";
    padding-top: 56.25%;
}

.youtube-video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}