body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    text-align: center;
}
header {
    background: #333;
    color: white;
    padding: 15px 0;
}
.logo {
    font-size: 24px;
    font-weight: bold;
    color: white;
    text-decoration: none;
    cursor: pointer;
}
.content {
    padding: 50px 20px;
}
.content h1 {
    font-size: 36px;
    margin-bottom: 20px;
    text-align:justify;
}
.content p {
    font-size: 18px;
    line-height: 1.5;
    text-align: justify;
}
.hello img {
    width: 50%;
    height: 100%;
    transition: 0.3s ease;
}
img {
    width: 50%;
    height: 100%;
}
.hello img:hover {
    filter: brightness(40%);
}
img:hover {
    filter:brightness(40%);
}