body {
    background-color: #ffff99;
    background-size: 100%;
    background-attachment: fixed;
    font-family: Arial;
    font-size: 13px;
}

.spec {
    font-weight: bold;
    background-color: red;
    font-size: 16px;
}

.bg_green {
    background-color: rgb(97, 255, 97);
}

p {
    font-size: 13px;
}

h1 {
    text-align: center;
    font-family: Verdana;
}

.red {
    color: red;
}

#blue {
    color: #00008B;
}

#green {
    color: #008000;
}

#yellow {
    color: #FFFF00;
}

img.center {
    display: block;
    margin: 0 auto;
}

ol {
    margin-left: 20px;
}

#border {
    color: black;
    border: 2px solid currentColor;
}

.normal-text-link {
    text-decoration: none;
}

a {
    color: #666666;
    font-size: 16px;
    text-decoration: none;
    display: inline-block;
    transition: transform 0.3s ease;
}

a:hover {
    transform: translateY(-5px);
    text-decoration: none;
}

strong {
    font-size: 16px;
}

.kod {
    font-family: "Courier New", Courier, monospace;
}

.parag_cent {
    text-align: center;
}

#border_img {
    width: 300px;
    border: 2px solid black;
}

.half_hr {
    width: 50%;
    margin-left: 0;
}

.link-home {
    color: blue;
    font-size: 15px;
    font-weight: bold;
}

.link-prev {
    color: red;
    font-size: 15px;
    font-weight: bold;
}

.link-next {
    color: green;
    font-size: 15px;
    font-weight: bold;
}

.normal-font {
    font-family: Arial;
}