body {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    background-color: #4d4d4d;
    margin: 0;
    color: white;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 5px;
}
.boxed {
    border-radius: 10px;
    background-color: #1a1a1a;
    flex: 0 0 48%;
    max-width: 633px;
    padding: 10px 15px;
    box-sizing: border-box;
    margin: 10px;
    width: 100%;
}
h1, h2, h3, h4, h5, h6 {
    text-align: center;
    color: white;
}
p {
    color: white;
}
a {
    color: rgb(255, 151, 255);
    font-weight: bold;
    text-decoration: none;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}
a:hover {
    text-decoration: underline;
}
button {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    color: white;
    border-radius: 10px;
    border: none;
    padding: 10px 15px;
    background-color: black;
    transition: background-color ease 0.3s, color ease 0.3s;
}
button:hover {
    color: black;
    background-color: lightblue;
}
.banner {
    background-color: rgb(0, 20, 60);
    color: white;
    padding: 15px;
    border-radius: 10px;
    position: fixed;
    right: 10px;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.5);
    animation: slide-in 0.5s ease forwards;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: calc(100% - 30px);
    max-width: 300px;
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.5s ease, opacity 0.5s ease, visibility 0.5s ease;
}
.banner.show {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
}
@keyframes slide-in {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}
@keyframes slide-out {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}
@keyframes slide-down {
    from {
        transform: translateY(-20px);
    }
    to {
        transform: translateY(0);
    }
}
.banner.hide {
    animation: slide-out 0.5s ease forwards;
}
.banner.slide-down {
    animation: slide-down 0.3s ease forwards;
}
.close-banner {
    align-self: flex-end;
    background-color: rgb(50, 50, 100);
    color: white;
    font-size: 12px;
    padding: 5px 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}
.close-banner:hover {
    background-color: rgb(70, 70, 140);
}
footer {
    background-color: #1a1a1a;
    width: 100%;
    border-radius: 10px;
    padding-bottom: 5px;
}