body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 97vh;
    font-family: Arial, Helvetica, sans-serif;
}

.versionWebPhone {
    position: fixed;
    bottom: 0;
    left: 5px;
    font-size: 10px;
    font-family: fangsong;
    color: gray;
  }

img {
    width: 100%;
    object-fit: contain;
}

.container {
    width: 100%;
    max-width: 300px;
    margin: auto;
    padding: 3rem;
    border-radius: .5rem;
    box-shadow: 0px 8px 12px rgb(219, 219, 219);
}

.title {
    margin-bottom: 2rem;
    font-size: 1.75rem;
    font-weight: normal;
}

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

.input_box {
    position: relative;
    display: flex;
    margin-top: .5rem;
    margin-bottom: 1.2rem;
    border: 1px solid rgb(170, 170, 170);
    border-radius: 5px;
}

.input {
    padding: 1rem;
    width: 100%;
    border: 0;
    border-radius: 5px;
    outline: none;
    font-size: 1rem;
}

.input:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px white inset;
}

.input:focus~label,
.input:valid~label {
    transform: TranslateY(-35px);
    left: 0px;
    opacity: 1;
}

.label {
    position: absolute;
    left: 10px;
    top: 16px;
    transition: .5s;
    opacity: .5;
    pointer-events: none;
}

.btn-login {
    padding: .8rem;
    width: 100%;
    border: 0;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: .2s;
    color: white;
    background-color: #4169e1;
}

.btn-login:hover {
    background-color: #4169e1e3;
}

/* alert */
.alert {
    margin-top: 1.5rem;
    padding: 1rem;
    transition: 0.5s;
    cursor: pointer;
    border: 1px solid rgba(241, 6, 6, 0.81);
    box-shadow: 0px 0px 2px #ff0303;
    color: #ff0303;
    background-color: rgba(220, 17, 1, 0.16);
}


@media screen and (max-width: 500px) {
    .container {
        box-shadow: none;
    }
}