*,
*::before,
*::after { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 1.2rem;
    background-color: #d2c3db;
}

.page {
    max-width: 1024px;
    min-height: 100vh;
    margin-right: auto;
    margin-left: auto;
    background-color: #ffc8dd;
    padding: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-content: center;
    justify-content: center;
}

.content {
    background-color: #f8cadb;
    padding: 20px;
}

h1 {
    padding: 5px;
    margin-bottom: .5em;
}

textarea {
    width: 100%;
    height: 150px;
    margin-bottom: 20px;
    font-size: 1.2rem;
}

input[type=submit]
{
    padding: 10px;
    border: 0;
    background-color: rgb(19, 64, 104);
    color: aliceblue;
    font-size: 1.2rem;
}

#decMsg {
    background-color: white;
    padding: 10px;
    margin-top: 20px;
    
}

#decMsg:empty {
    display: none;
}

#decMsg.errdiv {
    border: 2px solid red;
    background-color: rgb(245, 198, 198);
    color: red;
    font-weight: bold;
}