* {
    font-family: Roboto, Verdana, Arial, sans-serif;
}

main {
    width: 100%;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: #222;
}

input {
    font-size: 1.2em;
    padding: 5px;
    width: calc(100% - 15px);
}

input#form_vereinbarung {
    width: unset;
}

label {
    margin-bottom: 5px;
}

button#submit {
    font-size: 1.4em;
    padding: 7px 11px 7px 11px;
    background-color: green;
    border: 1px solid green;
    color: white;
    border-radius: 4px;
}

p.success {
    border: 3px solid green;
    padding: 17px;
}

p.error {
    border: 3px solid red;
    padding: 17px;
}

#sammeln {
    text-align: center;
    border: 1px solid #ccc;
    padding: 1em;
}

#logo-section {
    color: white;
    text-align: center;
    margin-top: 2em;
}

#logo {
    width: 100%;
    height: auto;
}

#smartphones {
    max-width: 451px;
    width: 100%;
    height: auto;
}

#gp {
    max-width: 599px;
    width: 100%;
    height: auto;
}

footer a {
    color: #8e837d;
    text-decoration: none;
}