* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.mask {
    background-color: rgba(0, 0, 0, 0.7);
}

.light-mask {
    background-color: rgba(0, 0, 0, 0.05);
}

.medium-mask {
    background-color: rgba(0, 0, 0, 0.5);
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}

.navbar {
    z-index: 100;
    margin-top: -3rem;
}

.navbar .input-group>.form-control:focus {
    border-color: #dc4c64;
    box-shadow: inset 0 0 0 1px #dc4c64;
}

.hero {
    background-image: url('../img/c1.jpg');
    height: 500px;
}

.smaller-hero {
    height: 500px;
}

.courses-page-hero {
    background-image: url(./images/courses-hero-img.jpg);
}

.about-page-hero {
    background-image: url(./images/about-hero-img.jpg);
}

.contact-page-hero {
    background-image: url(./images/contact-hero-img.jpg);
}

.home-hero-title {
    font-size: 4rem;
}

.home-hero-title span {
    color: #dc4c64;
}

.hero-title {
    font-size: 5rem;
}

.instructors-section img,
.carousel img {
    width: 150px;
}

.accordion {
    width: 60%;
}

.accordion .accordion-flush,
.accordion .accordion-item {
    --mdb-accordion-flush-btn-box-shadow: inset 0 -2px 0 #f3f3f3;
    --mdb-accordion-flush-border-bottom: 2px solid #f3f3f3;
}

.accordion .accordion-button:not(.collapsed) {
    color: #4f4f4f;
    background-color: transparent;
}

.accordion .accordion-button:not(.collapsed)::after {
    background-image: var(--mdb-accordion-btn-icon);
}

.contact-section {
    background-image: url(./images/office-img.jpg);
    height: 400px;
}

.contact-form {
    width: 75%;
}

.contact-form .form-outline .form-control:focus~.form-label {
    color: #03398f;
}

.contact-form .form-outline .form-control:focus~.form-notch .form-notch-leading,
.contact-form .form-outline .form-control:focus~.form-notch .form-notch-middle,
.contact-form .form-outline .form-control:focus~.form-notch .form-notch-trailing {
    border-color: #03398f;
}

.contact-form .form-outline .form-control:focus~.form-notch .form-notch-leading {
    box-shadow: -1px 0 0 0 #03398f, 0 1px 0 0 #03398f, 0 -1px 0 0 #03398f;
}

.contact-form .form-outline .form-control:focus~.form-notch .form-notch-middle {
    box-shadow: 0 1px 0 0 #03398f;
    border-top: 1px solid transparent;
}

.contact-form .form-outline .form-control:focus~.form-notch .form-notch-trailing {
    box-shadow: 1px 0 0 0 #03398f, 0 -1px 0 0 #03398f, 0 1px 0 0 #03398f;
}



@media screen and (max-width: 992px) {
    .accordion {
        width: 90%;
    }
}

@media screen and (max-width: 768px) {
    .home-hero-title,
    .hero-title {
        font-size: 3rem;
    }

    .contact-form {
        width: 90%;
    }
}

@media screen and (max-width: 576px) {
    .home-hero-title {
        font-size: 2.5rem;
    }
}