.form_login > div {
    padding:3px 3px;
}

.login_btn {
    font-size:20px;
    width:100px;
    height:30px;
    border-radius:6px;
    color:white;
    background-color:SteelBlue;
    outline: none;
    border-width: 0;
}
.login_btn:hover {
    background-color: #1f8ce7;
}
.letter {
    font-size:14px;
}
.login,
.password {
    width:200px;
    height:22px;
    font-size:16px;
    border-radius:4px;
    background-color:lavender;
    border-width: 1px;
    border-style:dotted;
    border-color:Gray;
    padding:2px 4px;
}
.login:focus-visible,
.password:focus-visible {
    background-color:#f7f7f9;
    border: 1px solid #19a4c6;
    outline: none;
}