.content {
    width: 80%;
    margin: auto;
    /*font-family:'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;*/
    text-align: justify;
    font-weight: initial;
    line-height: 2;
}

.column {
    float: left;
    width: 33.33%;
}

.row:after {
    content: "";
    display: table;
    clear: both;
}

@media screen and (max-width: 1200px) {
    .column {
        float: left;
        width: 90%;
    }
}

.paragraph {
    text-align: justify;
    font-size: 20px;
}

#content-page > .title {
    width: 100%;
    height: 30px;
    text-align: center;
    margin-bottom: 20px;
    margin-top: 20px;
    font-size: 40px;
    font-weight: bold;
    font-family: 'Schoolbell', arial, serif; 
}

.content-page {
    display: none;
    position: absolute;
    top: 10%;
    left: 9%;
    width: calc(82%);
    height: calc(80%);
    border: 2px;
    border-color: black;
    background-color: white;
    z-index: 10000;
    text-align: justify;
}

.page {
    display: none;
}

.img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 40%;
}

.close-btn {
    position:fixed;
    top: 20px;
    left: 20px;
}

.blog-item {
    margin-top: 10px;
}

.blog-shortly {
    font-size: 18px;
}

.blog-header {
    font-weight: bold;
    font-size: 30px !important;
    text-decoration: solid;
    font-family: 'Schoolbell', arial, serif; 
}

a:visited, a:active, a:link, a:hover {
    font-size: 20px;
    font-weight: bold;
    color: black;
}

.latex {
    margin: auto; 
    text-align: center;
    margin-top: 20px;
    margin-bottom: 20px;
}

.blog-title {
    margin-bottom: 20px;
    margin-top: 20px;
    font-size: 40px;
    font-weight: bold;
    font-family: 'Schoolbell', arial, serif; 
}

.blog-menu {
    font-family: 'Schoolbell', arial, serif; 
}

.home {
    font-family: 'Schoolbell', arial, serif; 
}

pre code {
    background-color: #eee;
    border: 1px solid #999;
    display: block;
    padding: 20px;
}