html {
    height: 100%;
}

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

@keyframes moveBackground {
    0% {
        background-position: center 50%;
    }

    25% {
        background-position: center 45%;
    }

    50% {
        background-position: center 50%;
    }

    75% {
        background-position: center 55%;
    }

    100% {
        background-position: center 50%;
    }
}

.background {
    background-image: url("../img/background.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center 50%;
    animation: moveBackground 10s ease-in-out infinite;
}

.back {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
}

.rounded-full {
    margin-left: 6.5rem;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
}

#acesso-restrito{
    text-align: center;
    color: #fff;
}
    #acesso-restrito a {
        color: orangered;
    }

    .login-box {
        position: absolute;
        top: 50%;
        left: 50%;
        width: 400px;
        padding: 40px;
        transform: translate(-50%, -50%);
        background: rgba(0,0,0,.4);
        box-sizing: border-box;
        box-shadow: 0 15px 25px rgba(0,0,0,.6);
        border-radius: 10px;
    }

    .login-box h2 {
        margin: 0 0 30px;
        padding: 0;
        color: #fff;
        text-align: center;
    }

    .login-box .user-box {
        position: relative;
    }

        .login-box .user-box input {
            width: 100%;
            padding: 10px 0;
            font-size: 16px;
            color: #fff;
            margin-bottom: 30px;
            border: none;
            border-bottom: 1px solid #fff;
            outline: none;
            background: transparent;
        }

        .login-box .user-box label {
            position: absolute;
            top: 0;
            left: 0;
            padding: 10px 0;
            font-size: 16px;
            color: #fff;
            pointer-events: none;
            transition: .5s;
        }

        .login-box .user-box input:focus ~ label,
        .login-box .user-box input:valid ~ label {
            top: -20px;
            left: 0;
            color: #03e9f4;
            font-size: 12px;
        }

/* 15 */

.custom-btn {
    width: 130px;
    height: 40px;
    color: #fff;
    border-radius: 5px;
    padding: 10px 25px;
    font-weight: 500;
    font-size: 16px;
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    display: inline-block;
    box-shadow: inset 2px 2px 2px 0px rgba(255,255,255,.5), 7px 7px 20px 0px rgba(0,0,0,.1), 4px 4px 5px 0px rgba(0,0,0,.1);
    outline: none;
}

.btn-15 {
    background: #ff9800;
    border: none;
    z-index: 1;
}

    .btn-15:after {
        position: absolute;
        content: "";
        width: 0;
        height: 100%;
        top: 0;
        right: 0;
        z-index: -1;
        background-color: #fa2a8b;
        border-radius: 5px;
        box-shadow: inset 2px 2px 2px 0px rgba(255,255,255,.5), 7px 7px 20px 0px rgba(0,0,0,.1), 4px 4px 5px 0px rgba(0,0,0,.1);
        transition: all 0.3s ease;
    }

    .btn-15:hover {
        color: #fff;
    }

        .btn-15:hover:after {
            left: 0;
            width: 100%;
        }

    .btn-15:active {
        top: 2px;
    }

.btn-16 {
    box-sizing: border-box;
    appearance: none;
    background-color: transparent;
    border: 2px solid deeppink;
    border-radius: 0.6em;
    color: deeppink;
    cursor: pointer;
    display: flex;
    align-self: center;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1;
    margin: 20px;
    padding: 0.8em 1.6em;
    text-decoration: none;
    text-align: center;
    text-transform: uppercase;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

    .btn-16:hover, .btn-16.focus {
        color: #fff;
        outline: 0;
    }

.first {
    transition: box-shadow 300ms ease-in-out, color 300ms ease-in-out;
}

    .first:hover {
        box-shadow: 0 0 40px 40px deeppink inset;
    }