*, *:before, *:after
{
    box-sizing: border-box;
}

html, body
{
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
}

body
{
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    justify-content: space-around;
    align-items: center;
    background-color: #355E76;
    color: #FFFFFF;
    font-family: Arial, Helvetica, sans-serif;
}

section
{
    background-color: #248CBC;
    border-radius: 2%;
    box-shadow: 0px 0px 5px 10px #2B6A93;
    overflow: hidden;
}

iframe
{
    width: 100%;
    height: 100%;
    border: 0px;
}

h1, p
{
    width: 100%;
    text-align: center;
}

form
{
    margin-top: 40px;
}

form span.error
{
    display: block;
    color: #cccccc;
    font-size: 0.9em;
    margin-top: -20px;
    margin-bottom: 5%;
}

input[type=text], input[type=email], textarea
{
    width: 100%;
    padding: 5px;
    font-size: 1em;
    color: #ffffff;
    background-color: #248CBC;
    border: 0;
    border-bottom: 1px solid #ffffff;
    margin-bottom: 30px;
    outline: none;
}

input[type=submit]
{
    padding: 10px 20px;
    border-radius: 5px;
    border: 0;
    color: #ffffff;
    background-color: #20465c;
    font-size: 1.0em;
    outline: none;
}

input[type=submit]:hover
{
    background-color: #2b6180;
}

input[type=submit]:active
{
    color: #20465c;
    background-color: #ffffff;
}

input::placeholder, textarea::placeholder
{
    color: #d3e1e8;
}

textarea
{
    font: inherit;
    resize: none;
}

#container
{
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: space-around;
    align-items: stretch;
    width: 100%;
}

#signup, #signin
{
    padding: 1%;
    width: 300px;
}

#game
{
    flex-grow: 3;
    margin-left: 2%;
    margin-right: 1%;
}

#feedback
{
    flex-grow: 1;
    margin-left: 1%;
    margin-right: 2%;
}