body {
    font-family: 'JetBrains Mono', monospace;
    margin: 0;
    padding: 40px 20px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    background: rgb(223, 228, 236);
    color: #000000;
}

a {
    color: #8b5cf6;
    text-decoration: none;
}

header {
    margin-bottom: 60px;
}

h1 {
    font-size: 32px;
    margin-bottom: 10px;
    color: #000000;
}

.c10 {
    text-align: center;
}

.c8 {
    text-align: center;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin-bottom: 20px;
}

h2 {
    font-size: 20px;
    margin-top: 40px;
    margin-bottom: 10px;
    color: #000000;
}

p {
    line-height: 1.7;
    color: #333333;
}

.contact,
.project {
    margin-bottom: 14px;
}

.muted {
    color: #555555;
    font-size: 14px;
}

#backToTop {
    display: none;
    position: fixed;
    bottom: 40px;
    right: 40px;
    z-index: 99;
    border: none;
    outline: none;
    background-color: black;
    color: white;
    cursor: pointer;
    padding: 12px 16px;
    border-radius: 50%;
    font-size: 20px;
    opacity: 0.7;
    transition: opacity 0.3s;
}

#backToTop:hover {
    opacity: 1;
}