body {
    margin: 0%;
    padding: 0%;
    font-family: Arial, sans-serif;
    background-color: #ffffff;
    color: rgb(0, 0, 0);
}

img {
    height: 20%;
    width: 15%;
    background-color: #fefefe;

}

#Log {
    display: inline;
    position: absolute;
    margin: 32px;
    color: #fff;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background-color: #222;
}

.menu {
    list-style: none;
    display: flex;
    gap: 20px;
}

.menu li {
    position: relative;
}

.menu li a {
    text-decoration: none;
    padding: 10px;
    color: #fefefe;
    font-size: 16px;
    transition: all 0.3s;
}

.menu li a:hover {
    border: 2px solid #fff;
    background-color: rgb(40, 40, 40);
    border-radius: 6px;
}

/*submenu*/
.submenu {
    display: none;
    position: absolute;
    top: 120%;
    left: 0;
    background-color: #333;
    border-radius: 6px;
    width: auto;
}

.submenu a {
    display: block;
    padding: 10px;
    color: #fff;
    text-decoration: none;
    font-size: 13px;
}

.submenu a:hover {
    background-color: #444;
}


.menu li:hover .submenu {
    display: block;
}

/*main*/
main{
    margin: 50px;
}
main header {
    text-align: center;
    color: #1a4d8f;
    font-size: 42px;
    margin-bottom: 40px;
    font-weight: bold;
    border-bottom: 3px solid #7ec8f5;
    padding-bottom: 10px;
}

p {
    margin-bottom: 25px;
    font-size: 16px;
    text-align: justify;
}

ul {
    list-style: disc inside;
    margin-bottom: 25px;
    font-size: 16px;
}

/*footer content*/
footer {
    position: relative;
    background-color: #222;
    color: white;
    padding: 20px;

}

.f-content {
    margin: 0;
    padding: 1%;
    list-style: none;
    background-color: black;
    width: 100%;
}

.f-content li {
    margin-bottom: 10px;
    display: inline-block;

}

.f-content li a {
    display: inline-block;
    padding: 10px;
    border: 1px solid black;
    background-color: black;
    border-radius: 5%;
    color: white;
    text-decoration: none;
}

.f-content li a:hover {
    border: 2px solid rgb(255, 255, 255);
    background-color: rgb(40, 40, 40);
}

#ins-yu {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 10px;
}

#ins-yu img {
    width: 30px;
    height: 30px;
}

#world {
    text-align: center;
}