.nav-hover-btn {
 transition: filter 0.15s ease;
}
.nav-hover-btn:hover {
 filter: brightness(1.12);
}
.nav-text-btn {
 display: block;
 box-sizing: border-box;
 width: 145px;
 height: 31px;
 line-height: 29px;
 background-color: #dde6f5;
 border: 1px solid #a9b8d6;
 color: #000080;
 font-family: "Times New Roman", serif;
 font-size: 13px;
 text-align: center;
 text-decoration: none;
}