html, body {
    font-size: 16px;
    line-height: 1.5;
    font-family: 'Trispace', sans-serif;
    color: blue;
    height: 140em;
}
h1 {
    font-size: 1.5rem;
    margin: 0.15rem 0;
}

.subheading {
    font-size: 1.5rem;
    color: cornsilk;
    text-shadow: 2px 2px 5px blanchedalmond;

}
h2 {
    font-size: 1.5rem;
    border-bottom: 1px solid #999;
    margin-bottom: 01.5rem;
}

ul, 
header,
nav,
main,
footer {
    margin: 0 auto;
    padding: 1.5rem;
    max-width: 25rem;
}
header img{
    box-shadow: 0 0 30px #444;
    float: right;
    border-radius: 0 10px 0 0;
}
header {
    margin-top: 10px;
}

header nav {
    background-color: #94BFBE;
    color: #fff;
}
header,
footer {
    text-align: center;
    background-color: #736CED;
    color: #fff;
    border-radius: 10px;
}

.navigation{
display: flex;
}