body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}

header, footer {
    background-color: #0044cc;
    color: #fff;
    text-align: center;
    padding: 1em 0;
    position: relative;
}

header h1, footer p {
    margin: 0;
}

main {
    padding: 20px;
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h2 {
    color: #0044cc;
}

ul {
    list-style-type: disc;
    margin-left: 20px;
}

.back-button {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    text-decoration: none;
    color: white;
    font-weight: bold;
    padding: 8px 12px;
    border-radius: 4px;
    background-color: #007bff;
    transition: background-color 0.3s;
}

.back-button:hover {
    background-color: #0056b3;
}

.back-button svg {
    width: 20px;
    height: 20px;
    margin-right: 8px;
    stroke: white;
    stroke-width: 2;
}

.back-button span {
    display: inline-block;
    line-height: 1;
}
@media (max-width: 1000px){
    .back-button{
        display: none;
    }
}