body {
    text-align: center;
    font-family: 'Palation Linotype', 'Book of Antiqua', 
    'Palantio', sans-serif;
    background-color:seagreen;
    color: white;
}

#content {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-columns: minmax(100px, auto);
    grid-gap: 10px; 
    max-width: 690px;
    margin: 0 auto;
    grid-template-areas:
    "header header header header"
    "header header header header"
    "aside main main main"
    "aside main main main"
    "footer footer footer footer;"
}

header{
    grid-area: header;
}

.center{
    display: flex;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

main{
    grid-area: main;
}

aside{
    grid-area: aside;
}

nav{
    grid-area: nav;
}

#menu {
    display: flex;
    flex-direction: row;
}

section {
    grid-area: section;
}

footer{
    grid-area: footer;
    font-weight: bold;
}

.fade-in{
    animation: fadeIn ease 5s;
}

@keyframes fadeIn {
    0% {opacity: 0;}
    100%{opacity: 1;}
}

h3 {
    text-align: center;
    font-size: 25px;
    font-style: italic;
}

ul {
    text-align: center;
}

.scale {
    display: flex;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    height: 80%;
    padding: 10px;
}

.hgi, .rgi, .mgi {
    height: 200px;
    width: 300px;
}

.form-section {
    font: normal 22px/1.5 sans-serif;
    background: #2196F3;
    color: #fff;
    padding: 50px 0;
}
  
form {
    width: 400px;
}
  
.errorMsg {
    color: red;
}
  
input.was-validated:invalid {
    color: red;
    border: 1px solid red;
}
  
input.was-validated:invalid ~ div {
    display: block;
}
  
input:valid ~ div {
    display: none;
}
  
input:invalid ~ div {
    display: none;
}
  
.container {
    width: 80%;
    max-width: 1200px;
    margin: 0 auto;
}

.container * {
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
}
  
.flex {
    list-style-type: none;
    padding: 0;
    max-width: 500px;
    margin: 0 auto;
}
  
.flex li {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: end;
        -ms-flex-pack: end;
            justify-content: flex-end;
}
  
.flex li li input,
.flex li textarea {
    padding: 15px;
    font: normal 16px/1.5 sans-serif;
}
  
.flex button {
    margin: auto;
    padding: 22px 46px;
    font: normal 22px/1.5 sans-serif;
    border: none;
    background: #D84315;
    color: #f2f2f2;
    text-transform: uppercase;
    letter-spacing: .09em;
    border-radius: 4px;
}
  
.flex > li {
    margin-bottom: 20px;
}
  
.flex > li > label {
    -webkit-box-flex: 1;
        -ms-flex: 1 0 140px;
            flex: 1 0 140px;
    max-width: 200px;
}
  
.flex > li + * {
    -webkit-box-flex: 1;
        -ms-flex: 1 0 200px;
            flex: 1 0 200px;
}
  
.flex > input[type='radio'] ~ div.errorMsg,
.flex > input[type='checkbox'] ~ div.errorMsg {
    -webkit-box-flex: 1;
        -ms-flex: 1 0 350px;
            flex: 1 0 350px;
    text-align: right;
}

table {
    background-color: navy;
    border: solid;
    
}