body {
    position: relative;
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f4f4f4;
    color: #333;
    min-height: 100vh;
    margin: 0;
}

header {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

header .logo img {
    max-height: 15vh;
    max-width: 30vw;
    margin: 0 2vw;
    padding: 0;
    transition: ease 0.3s;
}

header .logo img:hover {
    max-height: 30vh;
    max-width: 60vw;
    margin: 0 2vw;
    padding: 2vh;
    transition: ease 0.3s;
    border-radius: 20px;
    cursor: pointer;
}

.nav {
    margin: 0 15px;
}

.nav a {
    color: #ffffff;
    text-decoration: none;
    font-weight: bold;
}

.nav a:hover {
    color: #d8d8d8;
    transition: color 0.1s;
}

main {
    padding: 20px 20px calc(20px + 4em);
}

.blog-list article {
    background: white;
    margin-bottom: 20px;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    font-size: larger;
}

.blog-list article h2 {
    margin-top: 0;
}

.blog-list article h2 a {
    color: black;
    text-decoration: none;

}

.blog-list article h2 a:hover {
    color: #555555;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    width: 100%;
    height: 4em;
    position: absolute;
    align-content: center;
    bottom: 0;
}

@keyframes move_in {
    0% {
        top: -10vh;
        visibility: visible;
    }
    25% {
        top: 10vh;
        visibility: visible;
    }
    90% {

        top: 10vh;
        visibility: visible;
    }
    100% {
        top: -10vh;
        visibility: visible;
    }
}

.message {
    padding: 20px;
    background-color: #ffffff;
    color: black;
    animation: move_in 4s;
    position: absolute;
    visibility: hidden;
    width: 40vw;
    margin-left: 30vw;
    border-radius: 14px;
    text-align: center;
    font-size: larger;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}