.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    background-color: #0b3d5f;
    color: #fff;
}

.nav-links a {
    color: #fff;
}

.nav-links {
    list-style-type: none;
}

.menu {
    display: flex;
    gap: 1em;
    font-size: 18px;
}

.menu li:hover {
    background-color: #427496;
    border-radius: 5px;
    transition: 0.3s ease;
}

.menu li {
    padding: 5px 14px;
}

.subcategory {
    position: relative;
}

.dropdown {
    background-color: rgb(76, 128, 163);
    padding: 1em 0;
    position: absolute;
    display: none;
    border-radius: 8px;
    top: 35px;
}

.dropdown li+li {
    margin-top: 10px;
}

.dropdown li {
    padding: 0.5em 1em;
    width: 8em;
    text-align: left;
}

.dropdown li:hover {
    background-color: #5083a5;
}

.subcategory:hover .dropdown {
    display: block;
}

.menu li a {
    text-decoration: none;
}

.arrow {
    border: solid white;
    border-width: 0 3px 3px 0;
    display: inline-block;
    padding: 3px;
    margin-bottom: 3px;
    margin-left: 2px;
}

.down {
    transform: rotate(45deg);
    -webkit-transform: rotate(45deg);
}

body {
    background-repeat: no-repeat;
    background-size: cover;
    height: 100vh;

}

h2 {
    text-align: center;
    color: rgb(5, 77, 90);
    font-size: x-large;
    font-style: oblique;
}

h3 {
    color: rgb(53, 88, 109);
    text-align: center;
}

.disc {
    font-size: 20px;
    color: #fff;
    text-align: left;
}

.information {
    text-align: justify;
    border-width: 3px 3px 3px 3px;
    padding: 3px;
    margin-bottom: 3px;
    margin-left: 2px;
    float: right;
    width: 35%;
    background-color: #6e9cbb;
    padding-bottom: 4800px;
    color: #fff;
    padding-left: 15px;
    padding-right: 15px;
}

.information .img {
    
}

.visit {
    text-align: justify;;
    border-width: 0 3px 3px 0;
    display: inline-block;
    padding: 3px;
    margin-bottom: 3px;
    margin-left: 2px;
}

.topic {
    color: rgb(0, 0, 0);
    font-size: 30px;

}

.content {
    float: left;
    width: 60%;
    padding-top: 30px;
}

.btn1 {
    width: 100px;
    height: 30px;
    border: none;
    color: rgb(11, 52, 80);
    border-radius: 4px;
    transition: ease-out 0.3s;
    font-size: 1rem;
    outline: none;
    border: 3px solid rgb(4, 28, 37);
    position: relative;
    z-index: 1;
    float: right;
    padding-right: 20px;

}

.btn1:hover {
    color: rgb(159, 209, 233);
    cursor: pointer;
}

.btn1::before {
    transition: 0.5s all ease;
    position: absolute;
    top: 0;
    left: 50%;
    right: 50%;
    bottom: 0;
    opacity: 0;
    content: "";
    background-color: #153952;

}

.btn1:hover:before {
    transition: 0.5s all ease;
    left: 0;
    right: 0;
    opacity: 1;
    z-index: -1;

}