.annotationLayer .linkAnnotation > a {
    position: absolute;
    font-size: 1em;
    top: -1px;
    left: -2px;
    width: 100%;
    height: 100%;
    padding: 1px 2px;
    background-color: #f00;
    opacity: 0.0;
}
.annotationLayer .linkAnnotation > a:hover {
    opacity: 0.2;
}

#pageContainer30 .annotationLayer .linkAnnotation:nth-of-type(1) > a:hover[href$="hyoka_shiken/"]:after,
#pageContainer30 .annotationLayer .linkAnnotation:nth-of-type(2) > a:hover[href$="hyoka_shiken/"]:after,
#pageContainer32 .annotationLayer .linkAnnotation:nth-of-type(1) > a:hover[href$="hyoka_shiken/"]:after,
#pageContainer32 .annotationLayer .linkAnnotation:nth-of-type(2) > a:hover[href$="hyoka_shiken/"]:after,
#pageContainer59 .annotationLayer .linkAnnotation:nth-of-type(1) > a:hover[href$="/graduate"]:after,
#pageContainer59 .annotationLayer .linkAnnotation:nth-of-type(2) > a:hover[href$="/graduate"]:after {
    display: block;
    position: absolute;
    content: '';
    font-size: 1em;
    width: 100%;
    height: 100%;
    padding: 1px 2px;
    background-color: #f00;
}
#pageContainer30 .annotationLayer .linkAnnotation:nth-of-type(1) > a:hover[href$="hyoka_shiken/"]:after {
    width: 110%;
    height: 87%;
    top: 13px;
    left: -112px;
}
#pageContainer30 .annotationLayer .linkAnnotation:nth-of-type(2) > a:hover[href$="hyoka_shiken/"]:after {
    width: 85%;
    height: 87%;
    top: -13px;
    left: 112px;
}
#pageContainer32 .annotationLayer .linkAnnotation:nth-of-type(1) > a:hover[href$="hyoka_shiken/"]:after {
    width: 110%;
    height: 87%;
    top: 13px;
    left: -112px;
}
#pageContainer32 .annotationLayer .linkAnnotation:nth-of-type(2) > a:hover[href$="hyoka_shiken/"]:after {
    width: 85%;
    height: 87%;
    top: -13px;
    left: 112px;
}
#pageContainer59 .annotationLayer .linkAnnotation:nth-of-type(1) > a:hover[href$="/graduate"]:after {
    width: 110%;
    top: 15px;
    left: -371px;
}
#pageContainer59 .annotationLayer .linkAnnotation:nth-of-type(2) > a:hover[href$="/graduate"]:after {
    width: 80%;
    top: -17px;
    left: 371px;
}

a:-webkit-any-link {
    text-decoration: none;
}
a:-moz-any-link {
    text-decoration: none;
}
a:-webkit-any-link {
    text-decoration: none;
}
a:-ms-any-link {
    text-decoration: none;
}
a {
    text-decoration: none;
}