:root {
    --bg-color: #F4F5F7;
    --text-color: #0F0F0F;
    --buttons-color: #0F0F0F;
    --buttons-hover-color: #333131;
}

.dark {
    --bg-color: #16161C;
    --text-color: #fff;
    --buttons-color: #303038;
    --buttons-hover-color: #3f3f44;
}

body {
    margin: 0;
    padding: 0;
    font-family: Montserrat, sans-serif;
    overflow-y: hidden;
    background-color: var(--bg-color);
}

.return-button {
    display: inline-block;
    padding: 20px 30px;
    background-color: var(--buttons-color);
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    font-family: 'Montserrat', sans-serif;
    transition: background-color 0.3s, transform 0.3s;
    font-size: 24px;
    line-height: 1;
}

.return-button:hover {
    background-color: var(--buttons-hover-color);
    transform: scale(1.2);
}

.return-button:focus,
.return-button:active {
    outline: none;
}