html {
    overflow-y: scroll;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    color: #000000;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: #000000;
}

a:hover {
    text-decoration: none;
    color: #333333;
}

.p-frame {
    width: 100%;
    max-width: 960px;
    margin-left: auto;
    margin-right: auto; 
}

.p-frame.full {
    max-width: none;
}

.vertical-fit {
    min-height: 100vh;
}

.flex {
    display: flex;
    flex-wrap: wrap;
}

.flex.vertical {
    flex-direction: column;
}

.flex.arranged {
    justify-content: space-around;
}

.flex-element {
    flex-basis: 0;
    flex-grow: 1;
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
}

.flex-element.fit {
    flex: 0 0 auto;
    width: auto;
    max-width: 100%;
}

.align-self-center {
    align-self: center;
}

.center {
    text-align: center;
    justify-content: center;
}

.left {
    text-align: left;
    justify-content: left;
}

.right {
    text-align: right;
    justify-content: right;
}

.hidden {
    display: none;
}

.marked {
    color: rgb(170, 11, 11);
    font-weight: bold;
}

input, select, textarea {
    box-sizing: border-box;
    border: 1px solid #999;
    padding: 5px 8px;
}

input, textarea {
    width: 100%;
}

input.file {
    padding: 2px 8px;
}

.button {
    color: #000;
    text-decoration: none;
    text-shadow: 0 1px rgba(255,255,255,.2);
    font-size:  13px;
    -webkit-tap-highlight-color: transparent;
    padding: 2px 12px;
    border: 1px solid;
    border-top-color: #9d9d9d;
    border-bottom-color: #939393;
    border-left-color: #949494;
    border-right-color: #949494;
    -webkit-border-radius: 4px;
    box-shadow: 0 1px rgba(0,0,0,0.1);
    -moz-border-radius: 4px;
    -moz-box-shadow: 0 1px rgba(0,0,0,0.1);
    border-radius: 4px;
    -webkit-box-shadow: 0 1px rgba(0,0,0,0.1);
    -webkit-appearance: none;

    background: #ffffff; /* Old browsers */
    background: -webkit-gradient(linear, left top, left bottom, 
                /* Chrome, */   color-stop( 0%, #ffffff),
                /* Safari4+ */  color-stop(25%, #ffffff),       
                                color-stop( 30%, #fcfcfc), 
                                color-stop(35%, #f9f9f9),            
                                color-stop(40%, #f7f7f7),    
                                color-stop(45%, #f5f5f5),         
                                color-stop( 50%, #f2f2f2), 
                                color-stop(50%, #ececec),                 
                                color-stop(80%, #ededed),
                                color-stop(95%, #efefef),
                                color-stop(100%, #f2f2f2)); 
    background: -webkit-linear-gradient(top,    #ffffff  0%, #ffffff 25%, #fcfcfc  30%, #f9f9f9 35%,
                /* Chrome10+, */                #f7f7f7 40%, #f5f5f5 45%, #f2f2f2  50%, #ececec 50%,
                /* Safari5.1+ */                #ededed 80%, #efefef 95%, #f2f2f2 100%);
    background: -moz-linear-gradient(top,       #ffffff  0%, #ffffff 25%, #fcfcfc  30%, #f9f9f9 35%, 
                /* FF3.6+ */                    #f7f7f7 40%, #f5f5f5 45%, #f2f2f2  50%, #ececec 50%,
                                                #ededed 80%, #efefef 95%, #f2f2f2 100%); 
    background: -o-linear-gradient(top,         #ffffff  0%, #ffffff 25%, #fcfcfc  30%, #f9f9f9 35%,
                /* Opera 11.10+ */              #f7f7f7 40%, #f5f5f5 45%, #f2f2f2  50%, #ececec 50%,
                                                #ededed 80%, #efefef 95%, #f2f2f2 100%); 
    background: -ms-linear-gradient(top,        #ffffff  0%, #ffffff 25%, #fcfcfc  30%, #f9f9f9 35%,
                /* IE10+ */                     #f7f7f7 40%, #f5f5f5 45%, #f2f2f2  50%, #ececec 50%,
                                                #ededed 80%, #efefef 95%, #f2f2f2 100%);
    background: linear-gradient(top,            #ffffff  0%, #ffffff 25%, #fcfcfc  30%, #f9f9f9 35%,
                /* W3C */                       #f7f7f7 40%, #f5f5f5 45%, #f2f2f2  50%, #ececec 50%,
                                                #ededed 80%, #efefef 95%, #f2f2f2 100%);
    filter: progid:DXImageTransform.Microsoft.gradient( 
    /* IE6-9 */ startColorstr='#ffffff', endColorstr='#f2f2f2', GradientType=0 );
    cursor: default; -webkit-user-select: none;
    -moz-user-select: none;  user-select: none;
}

.header {
    min-width: 960px;
    height: 169px;
    background-image: url("../images/header_bck_merged.png");
    background-position: center;
    background-repeat: no-repeat;
}

.nav {
    background-repeat: no-repeat;
    padding: 3px 10px 3px 40px;
    background-position: left center;
    background-repeat: no-repeat;
}

.exhibition-title {
    font-size: 14px;
    font-weight: bold;
    color: #00F;
}

.exhibition-div {
    min-width: 40%;
    margin: 30px 15px 0 15px;
    border: 1px solid #ccc;
}

.img-fit {
    max-width: 100%;
}

.img-pdf {
    border: 1px solid #000;
}

.img-gallery {
    border: 1px solid #000;
}

.img-gallery img {
    margin: 1px;
    display: block;
}

.img-author {
    border: 1px solid #000;
}

.img-author img {
    margin: 1px;
    border: 1px solid #000;
    display: block;
    max-height: 180px;
}