body {
    width: 800px;
    margin: 0 auto;
    font-family: Arial, sans-serif;
    line-height: 1.5;
background-image: url(images/main.JPG);
background-size: cover;
background-position: center;
background-repeat: no-repeat;
background-attachment: fixed;
}
body.y1 {
    width: 800px;
    margin: 0 auto;
    font-family: Arial, sans-serif;
    line-height: 1.5;
background-image: url(images/term1.JPG);
background-size: cover;
background-position: center;
background-repeat: no-repeat;
background-attachment: fixed;
}
body.y2 {
    width: 800px;
    margin: 0 auto;
    font-family: Arial, sans-serif;
    line-height: 1.5;
background-image: url(images/term2.JPG);
background-size: cover;
background-position: center;
background-repeat: no-repeat;
background-attachment: fixed;
}
.txtind {background-color: rgba(132, 173, 203, 0.831);
          color:rgb(5, 78, 124);
        padding: 40px;
        border-radius: 15px;
        max-width: 600px;
        text-align: center;}
#mapage        {position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);}

.txtab{
    display: flex;
    width: 100%;
    max-width: 1200px;
    background-color: rgba(132, 173, 203, 0.831);
    border-radius: 24px;
    overflow: hidden;
}
.ab{border-radius: 15px;
    flex: 6;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-color: rgba(132, 173, 203, 0.831);
    color: #054e7c;
}
.ig {
    flex: 4;
    background-color: rgba(132, 173, 203, 0.831);
}
#me {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
nav {margin: 20px;}
nav ul{list-style-type: none;
       margin: 0;
       padding: 0;
       background-color: #054e7c;
       overflow: auto;
       border-radius: 30px;
}
nav ul li {float: left;}
nav ul li a {display: block;
            color: #84aecd;
            text-align: center;
            padding: 14px 16px;
            text-decoration: none;}
.info {text-align: left;}
.title {text-align: center;}
.allreview {background-color: #84aecd;
            color: black;}
.start {text-indent: 3em;}
.pic {width: 50%;
      float: right;}
#col {display: flex;
flex-direction: column;
}
a {
    color: #054e7c;
    text-decoration: none;
}
.materials-list {
    list-style-type: none;
    padding-left: 0;
}
.materials-list li {
    margin-bottom: 10px;
}
.materials-list ol {
    list-style-type: none;
    padding-left: 30px;
}
.materials-list strong {
    color: #054e7c;
}
.materials-list a {
    color: #054e7c;
    text-decoration: none;
}
figcaption {font-size: 14px;
line-height: 1.1;
font-family: 'Times New Roman', serif;}