body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}

.main {
    min-height: 100vh;
    background-position: center center;
    background-size: cover;
    display: grid;
    grid-template-columns: 1fr;
    align-items: center;
    justify-items: center;
}

.login-box {
    background-color: #1E293B;
    width: 350px;
    height: 550px;
    border-radius: 7px;
    padding: 40px;
    color: white;
    overflow: auto;
}

@media screen and (max-width: 600px) {

    .main {
        background-color: #10B981;
        background-image: none;
        display: block;
    }

    .login-box {
        padding: 40px;
        box-sizing: border-box;
        border-radius: 0px;
        width: 100%;
        height: 650px;
        box-shadow: none;
    }

}

.head {
    width: 100%;
    text-align: center;
    font-size: 1.5rem;
    margin-top: 30px;
    margin-bottom: 100px;
}

@media screen and (max-width: 600px) {

    .head {
        font-size: 1rem;
    }

}

.message {
    text-align: center;
}

.login-form {
    margin-top: 30px;
    box-sizing: border-box;
    width: 100%;
}

.login-form .input {
    margin-top: 50px;
    position: relative;
    background-color: #334155;
}

.login-form .input input {
    background: none;
    outline: none;
    border: none;
    color: white;
    font-family: sans-serif;
    width: 100%;
    box-sizing: border-box;
    border-bottom: solid 3px #475569;
    padding: 15px;
    position: relative;
    z-index: 2;
}

.login-form .input::before {
    content: attr(data-placeholder);
    position: absolute;
    left: 15px;
    top: 15px;
    font-size: .84rem;
    transition: transform .2s ease;
    z-index: 1;
}

.login-form .input.focus::before {
    transform: translate(-15px, -35px);
}

.login-form .input::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    width: 0px;
    background-color: #10B981;
    transition: width .2s ease;
    z-index: 3;
}

.login-form .input.focus::after {
    width: 100%;
}

.login-form .button {
    margin-top: 50px;
}

.login-form .button button {
    background-color: #10B981;
    border: none;
    outline: none;
    box-sizing: border-box;
    width: 100%;
    padding: 15px;
    font-family: 'Montserrat', sans-serif;
    cursor: pointer;
    color: #1E293B;
    transition: transform .2s ease, background-color .2s ease;
    border-radius: 10px;
}

.login-form .button button:hover {
    transform: translateY(-2px);
    background-color: #34D399;
}

.login-form .button button:active {
    transform: translateY(3px);
}