html, body {
    max-width: 100%;
    overflow-x: hidden;
}

.step_image {
    padding-top: 5px;
    max-width: 50%;
    vertical-align: top;
    user-select: none;
    width: auto;
    user-drag: none;
    -webkit-user-drag: none;
    user-select: none;
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    border-radius: 5px;
    cursor: pointer;
    transition: 0.3s;
}

/* The Modal (background) */
#image-viewer {
    display: none;
    position: fixed;
    z-index: 1;
    padding-top: 100px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgb(0, 0, 0);
    background-color: rgba(0, 0, 0, 0.9);
}

.modal-content {
    margin: auto;
    display: block;
    width: auto;
    max-width: 70%;
}

.modal-content {
    animation-name: zoom;
    animation-duration: 0.6s;
}

@keyframes zoom {
    from {
        transform: scale(0)
    }
    to {
        transform: scale(1)
    }
}

#image-viewer .close {
    margin-top: 5%;
    margin-right: 5%;
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;

}

#image-viewer .close:hover,
#image-viewer .close:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}

@media only screen and (max-width: 700px) {
    .modal-content {
        width: 100%;
    }

    #image-viewer .close {
        margin-top: 15%;
        margin-right: 1%;
    }
}

@media screen and (max-width: 380px) {
    h2 {
        text-wrap: auto;
        overflow-wrap: break-word;
        hyphens: auto;
    }
}

.toc {
    list-style-type: none;
}

.main_header {
    padding: 20px;
    margin-top: 5%;
    text-align: center;
}

.div_toc {
    padding: 20px;
}

.step {
    padding: 20px;
}

.b_list {
    padding: 20px;
}

h2 {
    padding-bottom: 15px;
}

p {
    padding-bottom: 5px;
}

.gray_back_rect {
    color: var(--text);
    background-color: rgba(248, 212, 212, 0.2);
    padding: 3px;
}

.gray_back_rect:hover {
    color: var(--text);
}

.h_line {
    border-top: 1px solid #595959;
    margin-top: 2%;
    margin-bottom: 1%;
}

blockquote {
    font-size: calc(var(--font-size-2xl) - 2px);
    border-left: 3px solid #ffb8b8;
    padding-left: 10px;
}

blockquote span {
    margin-top: -10px;
    margin-bottom: -10px;
}

li {
    font-size: calc(var(--font-size-2xl) - 2px);
}

p {
    font-size: calc(var(--font-size-2xl) - 2px);
}

h2 {
    font-size: calc(var(--font-size-3xl) - 14px);
    font-family: "Cunia";
    margin-top: 1%;
}

.codeblock {
    width: fit-content;
    margin-top: 3px;
    margin-bottom: 5px;
    padding: 10px 15px;
    text-wrap: auto;
}