body {
    background-color: #f4f7fb;
    color: #333;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}
footer {
    background-color: #2c3e50;
    color: #fff;
    height: 39px;
    line-height: 39px;
    margin-top: 20px;
    text-align: center;
    width: 100%;
}
header {
    background-color: #2c3e50;
    background-image:url("images/banner1.jpg");
    background-position: center;
    background-repeat: no-repeat;
    color: #fff;
    height: 144px;
    overflow: hidden;
    padding: 0;
    text-align: center;
}
header h1 {
    color: #eceef4 ;
    font: normal 230% 'century gothic', arial, sans-serif;
    text-shadow: 1px 1px 5px rgba(30,30,30,1);
}
header p {
    color: #eceef4 ;
    font: normal 'century gothic', arial, sans-serif;
    text-shadow: 2px 2px 0px rgba(30,30,30,1);
}
nav {
    background-color: #2980b9;
    padding: 10px 0;
    text-align: center;
}
nav ul {
    display: flex;
    justify-content: center;
    list-style-type: none;
    margin: 0;
    padding: 0;
}
nav ul li {
    margin-right: 20px;
}
nav ul li:last-child {
    margin-right: 0;
}
nav ul li a {
    border-radius: 5px;
    color: #fff;
    font-size: 18px;
    padding: 10px 15px;
    text-decoration: none;
    transition: background-color 0.3s ease;
}
nav ul li a:hover {
    background-color: #3498db;
}
main {
    margin: auto;
    max-width: 770px;
    min-height: calc(100vh - 244px);
    min-height: calc(100svh - 244px);
    overflow: hidden;
    padding: 0 10px;
}

.adj-aligned-a {
    align-items: center;
    display: grid;
    grid-template-columns: 162px 1fr;
}
.adj-aligned-b {
    align-items: stetch;
    display: grid;
    grid-template-columns: 227px 1fr;
}
.adj-aligned-1 {
    text-align: center;
}
.adj-aligned-2 {
    padding-left: 21px;
}
.center-text {
    text-align: center;
}
.image-col {
    display: grid;
    grid-gap: 20px;
    grid-template-areas: 'a';
    padding: 2px;
    width: 100%;
}
.image-col img {
    max-width: 95%;
    width: 550px;
}
.justify-if-narrow {
}

/* Responsive CSS */
@media screen and (max-width: 768px) {
    nav ul {
        flex-wrap: wrap;
    }
    nav ul li {
        margin: 10px 0;
    }
}

@media (max-width: 480px) {
    .adj-aligned-a {
        grid-template-columns: 1fr;
    }
    .adj-aligned-b {
        grid-template-columns: 1fr;
    }
    .adj-aligned-2 {    
        padding: 0;
        text-align: justify;
    }
    .justify-if-narrow {
        text-align: justify;
    }
}

/* no_flex */
.box-content-img {
    display: table-cell;
    vertical-align: middle;
}
.box-content-text {
    display: table-cell;
    padding-left: 19px;
    vertical-align: middle;
}
.left-about-box {
    float: left;
    width: 227px;
}
.right-about-box {
    margin-bottom: 12px;
    min-height: 370px;
    overflow: hidden;
    padding: 0 0px 0 18px; 
    text-align: left;
}