* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body, html {
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: linear-gradient(122deg, rgba(192, 191, 191, 0.05) 59.79%, rgba(90, 89, 89, 0.05) 69.44%);
    font-family: Arial, sans-serif;
}

.container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 80%;
    max-width: 1200px;
    height: 50vh;
    background-color: linear-gradient(122deg, rgba(192, 191, 191, 0.05) 59.79%, rgba(90, 89, 89, 0.05) 69.44%);
    border-radius: 10px;
    padding: 20px;
}

.left {
    width: 70%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.left img {
    width: 100%;
    height: auto;
}

.right {
    width: 20%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.start-button {
    padding: 20px 40px;
    background-color: #0056b3;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    color: #FFF;
    font-family: Futura, Arial, sans-serif;
    font-size: 34px;
    font-style: normal;
    font-weight: 800;
    line-height: normal;
}

.start-button:hover {
    background-color: #003f8a;
}

.fullscreen-btn {
position: fixed;
top: 40px;
left: 20px;
z-index: 1000;
background-color: #0056b3;
border: none;
color: white;
font-size: 20px;
border-radius: 50%;
width: 50px;
height: 50px;
cursor: pointer;
box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
display: flex;
align-items: center;
justify-content: center;
transition: background-color 0.3s ease, transform 0.2s ease;
}

.fullscreen-btn:hover {
background-color: #003f8a;
transform: scale(1.05);
}

.fullscreen-btn:active {
transform: scale(0.95);
}