body, p { 
    margin: 0; 
    padding: 0; 
}

body { 
    padding: 100px; 
    background: #717171; 
}

#content {
    margin: 100px auto 20px auto;
    border: 10px solid #4C4C4C;
    width: 400px;
    height: 266px;
    position: relative;
}

#content img {
    position: absolute;
    left: 0;
    top: 0;
}

p { 
    text-align: center; 
}

#links {
    width: 420px;
    display: flex;
    margin: auto;
}

#links a {
    display: block;
    flex: 1;
    background: #6C0204;
    height: 50px;
    line-height: 50px;
    color: #D5D5D5;
    text-decoration: none;
    font-family: Arial;
    text-transform: uppercase;
    text-align: center;
}

#links a:hover {
    background: #A51D1F;
    color: #fff;
}

.fadeinimg {
    animation: fadein 2s; /* Corrected syntax for CSS class */
}

@keyframes fadein {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fadeout {
    animation: fadeout 2s; /* Optional: add a fade-out effect */
}

@keyframes fadeout {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}