*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

.container{
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #1b1b1b;
    padding: 25px;
}

.container form{
    width: 100%;
    max-width: 700px;
    padding: 40px;
    background: #ffff;
    border-radius: 10px;
}

form .reihe{
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.reihe .spalte{
    flex: 1 1 100%;
}

.spalte .titel{
    font-size: 20px;
    color: #333;
    text-transform: uppercase;
    margin-bottom: 5px;
}

.spalte .eingabe-box{
    margin: 15px 0;
    margin-bottom: 10px;
    filter: drop-shadow(0 0 1px #000);
}

.eingabe-box img{
    width: 50%;
    height: 90px;
    margin-top: 5px;
    border-radius: 5px;
    filter: drop-shadow(0 0 1px #000);
    filter: grayscale(100%);
}
.eingabe-box img:hover {
    filter: grayscale(0%);
}
.eingabe-box span{
    display: block;
}

.eingabe-box input{
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 15px;
}

.spalte .flex{
    display: flex;
    gap: 15px;
}
.flex .eingabe-box{
    margin-top: 5px;
}
form .btn{
    width: 100%;
    padding: 12px;
    background: #399768;
    border: none;
    outline: none;
    border-radius: 6px;
    font-size: 17px;
    color: #fff;
    margin-top: 5px;
    cursor: pointer;
}

form .btn:hover{
    background: #3ca771;
}