body{
    background-image: linear-gradient(20deg, rgb(0, 132, 255) , rgb(0, 255, 157));
    background-repeat: no-repeat;
    background-attachment: fixed;
    margin: 0;
    display: block;
    height: 100vh;
    box-sizing: border-box;
}
.hlogo{
    width: 250px;
}
.main-section{
    display: block;
    width: 80%;
    background-color: #FFF;
    margin: 0px auto;
    padding: 1em;
    min-height: 100%;
    box-sizing: border-box;
}
.main-section .header{
    display: flex;
    margin-bottom: 2em;
    gap: 1em;
}
.bTitle {
    font-size: xxx-large;
    text-align-last: center;
    color: #025191;
}
.main-section h1{
    text-shadow: 0px 1px 2px rgb(0 0 0 / 20%);
    color: #0057A2;
    flex: 1;
    text-align: center;
    align-self: end;
    font-size: 40px;
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    display: none;
}
.cover img{
    width: auto;
    height: 500px;
}
.cover a img{
    border: 6px double blue;
    padding: 2px;
}
.cover a:hover img{
    border-color: orangered;
    border-style: groove;
}
.cover .caption{
    text-align: center;
    margin-top: 0px;
    font-size: 81%;
}

p.caption {
    width: 90%;
    margin-right: auto;
    margin-left: auto;
}

.cover-list {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    position: relative;
}

.cover img{
    flex: 1 30%;
    flex-grow: 0;
    flex-shrink: 0;
    max-height: 365px;
    min-height: 287px;
    margin: 16px;
    transition: filter .5s;
    /* height: auto; */
    width: 280px;
}
.cover {
    text-align-last: center;
    width: min-content;
}