html, body {
    width: 100%;
    height: 100%;
    background-size: cover;
}

.kiri {
    width: 40%;
    position: fixed;
    z-index: 1;
    top: 0;
    left: 0;
    height: 100%;
    background-image: url("../../img/login.png");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    overflow-x: hidden;
    -webkit-box-shadow: 25px 0px 30px -30px rgba(0, 0, 0, 0.185);
    -moz-box-shadow: 25px 0px 30px -30px rgba(0, 0, 0, 0.185);
    box-shadow: 25px 0px 30px -30px rgba(0, 0, 0, 0.185);
}

.kanan {
    position: relative;
    margin-left: 40%; 
    padding: 0px 50px;
}

.login-form {
    width: 100%;
    padding: 50px;
}

.col-md-12, .col-sm-12 {
    padding: 0px !important;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.form-control {
    width: 50% !important;
    margin: 30px 0px;
}

.button {
    background-color: rgb(89, 156, 255) !important;
    color: #fff;
}

/* Smartphone */
@media only screen and (max-width: 650px) {
    .kiri {
        display: none;
    }

    .kanan {
        margin-left: 0 !important;
        padding: 0px 0px;
    }

    .col-md-12, .col-sm-12  {
        width: 100% !important;
    }

    .form-control {
        width: 100% !important;
    }
}

/* Tablet */
@media only screen and (min-width: 651px) and (max-width: 1200px) {
    .kiri {
        display: none;
    }

    .kanan {
        margin-left: 0 !important;
        padding: 0px 0px;
    }

    .col-md-12, .col-sm-12  {
        width: 100% !important;
    }

    .form-control {
        width: 100% !important;
    }
}