app.css

:root {
    background-color: off-white;
    font-size: 60%;
    font-family: pt sans, sans-serif;
}

* {
    box-sizing: border-box;
    font-family: pt sans, sans-serif;
    margin: 0;
    padding: 0;
    color: darkslategray;
}

h1,h2,
h3,h4 {
    margin: 1rem;
}

h1 {
    font-size: 5rem;
    color: darkslategray;
    margin-bottom: 3rem;
}

h1 > span {
    font-size: 2rem;
    font-weight: 700;
}

h2 {
    font-size: 3rem;
     margin-bottom: 2rem;
}

h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

/*Buttons*/

.btn {
    background-color: #ffb2ae;
    padding: 1rem;
    border: none;
    border-radius: 5px;
    font-size: 1.5rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
  /*  transition: all 0.3s ease-in-out; */
}

.btn:hover {
    background-color: #ffb2ae;
    color: white;
    box-sizing: border-box;
    box-shadow: inset 0 0 0 1px #ff4d4d;
    transform: translate(-2px, -2px);
    transition: all 0.3s ease-in-out;

}

/* Wenn noch nicht verfügbar */
.btn[disabled] {
    box-shadow: none;
    cursor: not-allowed;
}

/* Container über die ganze Seite, damit alles in der Flexbox passt */
.container {
    width: 100%;
    heitght: 100%;
    max-width: 80rem;
    display: flex;
    justify-content: center;
  /*  max-width: 1200px; */
    margin: 0 auto;
    padding: 2rem;
}

.container > * {
    flex: 1;
}

.container > *:first-child {
    margin-right: 2rem;
}

.flex-column {
    flex-direction: column;
}

.justify-center {
    justify-content: center;
}

.text-center {
    text-align: center;
}

.hidden {
    display: none;
}

/* Formular */

.form {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
 }

input {
    width: 100%;
    padding: 1rem;
    width: 100%;
    max-width: 80rem;
    margin: 0 auto;
    padding: 2rem;
    background-color: lightslategray;
    border-radius: 5px;
    border: 0.1px solid;
    box-shadow: 0 0.2 0 0.1rem grey;
    transition: all 0.3s ease-in-out;
}

input::placeholder {
    color: lightslategray;
}