.rund{
    border-radius: 50px !important;
}
.rund:hover{
    background-color:#ccffcc;
}
.rund:focus{
    background-color:#ffffff;
    border: 2px solid #9999ff !important;
}
input.Einloggen {
    width: 250px;
    box-sizing: border-box;
    border: 3px solid #c0c0c0;
    border-radius: 50px;
    font-size: 16px;
    padding: 12px 20px 12px 20px;
    -webkit-transition: width 0.6s ease-in-out;
    transition: width 0.6s ease-in-out;
}
input.Einloggen:focus {
    width: 100%;
    border-radius: 0px;
}
button[type=submit] {
    width: 100%;
    background-color: #4CAF50;
    color: white;
    padding: 12px 20px;
    margin: 8px 0;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
button[type=submit]:hover {
    background-color: #45a049;
    font-size: 20px;
}