h1  {
    text-align:center; 
    font-family: arial; 
    font-size:25px; 
    text-decoration: underline
}
body {  
    background-image: url(/assets/shutterstock_2138259833.jpg);             
    opacity: 1;            
    background-attachment: fixed;            
    background-size: cover;
}
a:hover {
    color: dodgerblue; 
    font-size:105%
}
a {
    color: dodgerblue; 
}
div.transbox {  
    width: 710px;
    background-color:steelBlue;;
    border: 4px solid black;
    border-radius: 10px;
    opacity: 1;
    margin-left: auto; margin-right: auto;
}
.button  {
    background-color: whitesmoke; 
    font-size: 13px;
    height: 25px; 
    margin: 0px;
    cursor: pointer;
    border-radius:5px;
    border: 1px solid black; 
}
div.outertable   {
    table-layout: fixed;
    padding: 5px; 
    width: 100%;  
    margin-left: auto; 
    margin-right: auto;
}
table {
    table-layout: fixed;
    width: 100%;
    padding: 0px; 
    display: inline; 
    margin-left: auto; 
    margin-right: auto;
    font-size: 15px;
}
legend   {
    font-size: 16px; 
    font-weight: bold;
}
label {
    background-color: lightgray; 
    display: block; 
    width: 165px; 
    height: 20px;
}
.label2 {
    background-color: lightgray; 
    display: block; 
    width: 150px; 
    height: 20px; 
    padding-left: 3px; 
    padding-right: 0px
}
.short_label {
    background-color: lightgray; 
    display: block; 
    width: 80px; 
    height: 20px; 
    padding-right: 3px;
}
.x-short_label {
    background-color: lightgray; 
    display: block; 
    width: 50px; 
    height: 20px; 
    padding-right: 3px; 
    text-align: center
}
fieldset {
    border: 2px solid black; 
    border-radius: 5px;
}
.tooltip {
    position: relative; 
    display: inline-block;
}
.tooltip .tooltiptext {
    visibility: hidden;
    width: 200px;
    background-color: steelblue;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px 0;
    border-color: black;
    border-style: solid;
    border-width: thin;
    position: absolute;
    z-index: 1;
    top: 25px;
    left: 100px;
}
.tooltip:hover .tooltiptext {
    visibility: visible;
}
.loader {
    position: absolute;
    top: 38%;
    left: 48%;
    transform: translate(-50%, 50%);
    display:none;
    border: 10px solid #f3f3f3;
    border-radius: 50%;
    border-top: 10px solid black;
    width: 75px;
    height: 75px;
    -webkit-animation: spin 1s linear infinite; /* Safari */
    animation: spin 1s linear infinite;
}
@-webkit-keyframes spin {
    0% { -webkit-transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.centered_table {
    margin:auto;
    display: flex;
    flex-grow: 1;
    align-items: center;
    justify-content: center;
    text-align:    center;
    margin-left: auto; 
    margin-right: auto;
}
tr, td {
    border: 0px solid black;
}
.centered_cell {
    flex-grow: 1;
    align-items: center;
    justify-content: center;
    text-align:    center;
    margin-left: auto; 
    margin-right: auto;
}