body {
    background: #eee;
    font-family: 'comic sans ms'
}
button {
    font-family: 'comic sans ms'
}
#header {
    background: #ddd;
    padding-bottom: 10px;
}
#nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #ccc;
}
.account_actions {
    display: flex;
    gap: 5px;
}
#frm {
    border: solid gray 1px;
    width: 20%;
    border-radius: 5px;
    margin: 100px auto;
    background: white;
    padding: 50px;
}
#btn {
    color: #fff;
    background: #337ab7;
    padding: 5px;
    margin-left: 69%;
}
.post {
    border: solid black 1px;
    border-radius: 5px;
    padding: 10px;
    margin: 15px auto;
}
.replies {
    margin-left: 20px;
    margin-top: 10px;
}
.reply {
    border: solid #666 1px;
    border-radius: 3px;
    padding: 8px;
    margin: 8px 0;
    background: #f9f9f9;
}
.reply p {
    margin: 5px 0;
    font-size: 0.9em;
}