.login-container {
    background-color: #ffffff;
    border-radius: 10px;
    padding: 30px;
    width: 300px;
    margin: 50px auto 0;
    border: 1px solid #d5d5d5;
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 50px;
    font-size: 30px;
}

h2 {
    text-align: center;
    color: #333;
    font-size: 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #555;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: none;
    border-bottom: 1px solid #858585;
    box-sizing: border-box;
}
.form-group input:focus {
    outline: none;
    width: 100%;
    padding: 10px;
    border: none;
    border-bottom: 1px solid #f1f1f1;
    background: #f1f1f1;
    transition: background-color 0.5s;
}

button {
    width: 50%;
    padding: 10px;
    margin: 50px 75px 0px;
    display: block;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #696969;
    color: white;
    transition: background-color 0.2s, color 0.2s;
}

button.logout {
    margin: 0;
    background-color: #4c75a3;
    color: white;
    width: auto;
}
button.logout:hover {
    background-color: #696969;
}
button.logout:active {
    background-color: #4c75a3;
}

.alert-error {
    color: red;
    text-align: center;
    font-size: 13px;
    border: 1px solid red;
    border-radius: 5px;
    padding: 6px;
}