body {
    margin: 0;
    padding: 0;
    font-family: 'Zen Kaku Gothic New', sans-serif;
}

header {
    background-color: #49444f;
    color: #fff;
    text-align: center;
    padding: 15px;
}

header img {
    height: 75px;
    width: 75px;
}

.all-space {
    color:#49444f;
}
h2, h3 {
    border-bottom: 2px solid #49444f;
    padding-bottom: 10px;
}

.explanation {
    color: #49444f;
    border-radius: 10px;
    animation-name: fadeUpAnime;
    animation-duration: 0.5s;
    animation-fill-mode: forwards;
    opacity: 0;
    margin-bottom: 1000px;
}

@keyframes fadeUpAnime {
    from {
        opacity: 0;
        transform: translateY(100px);
    }  
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mechanism {
    animation-name: fadeUpAnime;
    animation-duration: 1s;
    animation-fill-mode: forwards;
    opacity: 1;
    border-radius: 10px;
}

.connection-schema {
    margin-bottom: 5%;
    animation-name: fadeUpAnime;
    animation-duration: 1.5s;
    animation-fill-mode: forwards;
    opacity: 1;
    border-radius: 10px;
}

.explanation, .mechanism, .connection-schema {
    margin: 1% 10%;
    padding: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.detailed-explanation {
    padding-left: 25px;
}