details {
    border: 1px solid #aaa;
    border-radius: 4px;
    padding: .5em .5em 0;
}

summary {
    font-weight: bold;
    margin: -.5em -.5em 0;
    padding: .5em;
    color:#213f52
}

details[open] {
    padding: .5em;
}

details[open] summary {
    border-bottom: 1px solid #aaa;
    margin-bottom: .5em;
}


h1 {
    color: #213F52;
    border-bottom: dashed 2px #213F52;
}

.btn-flat-border {
    display: inline-block;
    padding: 0.3em 1em;
    text-decoration: none;
    color: #213F52;
    border: solid 1px #213F52;
    border-radius: 3px;
    transition: .4s;
}

.btn-flat-border:hover {
    background: #213F52;
    color: white;
}

h4 { 
    color: #213f52;
}

a {
    color: #213f52
}



textarea {
    -moz-box-shadow: inset 1px 4px 9px -6px rgba(0,0,0,0.5);
    -webkit-box-shadow: inset 1px 4px 9px -6px rgba(0, 0, 0, 0.5);
    box-shadow: inset 1px 4px 9px -6px rgba(0,0,0,0.5);3px;.5);
}