style.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    /* max-width: 100%;
    overflow-x: hidden; */
}

.navbar {
    border-bottom: orange 4px solid;
    height: 70px;
    color: white;
    opacity: 0.7;
}

.navbar-brand {
    font-size: 30px !important;
    opacity: 1;
    text-decoration: none;
}

.navitem {
    font: bold;
    display: inline-block;
    position: relative;
    color: white;
    opacity: 1;
}

a {
    text-decoration: none;
    color: white !important;
    opacity: 1;
}

a:hover {
    text-decoration: none;
}

#home-section {
    background: url(https://image.freepik.com/free-vector/white-gray-geometric-shape-seamless-pattern-background_107708-55.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    min-height: 100vh;
}


/* Head */

#about {
    background-color: #ffffff;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    min-height: 40vh;
}

.about .about_box {
    text-align: left;
}

.about .about_box h2 {
    font-weight: 500;
    font-size: 43px;
    color: #163f03;
    line-height: 55px;
    padding-bottom: 7px;
    display: block;
    text-transform: uppercase;
    padding: 0px 0px 6px 0px;
    border-bottom: #163f03 solid 1px;
}

.about .about_box p {
    font-size: 17px;
    line-height: 33px;
    color: #4c4a49;
    padding: 40px 0px;
    font-weight: 500;
}

.about_img {
    margin-top: 25px;
    height: 500px;
    width: 500px;
}

.about_img figure {
    margin: 0;
}

.about_img figure img {
    width: 100%;
}


/* new */

#header {
    height: 100vh;
    width: 100vw;
    background-image: url(images/background.png);
    background-position: center;
    background-size: cover;
}

.container {
    margin-right: 100px;
    margin-left: 100px;
}

.logo {
    margin-top: 30px;
    width: 100px;
}

.header-text {
    max-width: 350px;
    margin-top: 140px;
}

h1 {
    font-size: 34px;
}

.square {
    height: 12px;
    width: 12px;
    display: inline-block;
    background: orange;
    margin: 15px 0;
}

.common-btn {
    padding: 18px 40px;
    background: transparent;
    outline: none;
    background-color: black;
    color: white;
    font-weight: bold;
    cursor: pointer;
}

p {
    font-size: 15px;
    line-height: 18px;
    color: #777;
}

.header-text button {
    margin-top: 20px;
    margin-bottom: 16px;
}

.line-1 {
    width: 15px;
    height: 15px;
    background: orange;
    display: inline-block;
}

.line-2 {
    width: 80px;
    height: 1px;
    background: orange;
    display: inline-block;
}

.line-3 {
    width: 60px;
    height: 1px;
    background: orange;
    display: inline-block;
}

.line {
    line-height: 8px;
}

#sideNav {
    width: 250px;
    height: 100vh;
    position: fixed;
    right: -250px;
    top: 0;
    background: orange;
    z-index: 2;
    transition: 0.5s;
}

nav ul li {
    list-style: none;
    margin: 50px 20px;
}

nav ul li a {
    text-decoration: none;
    color: white;
}

#menuBtn {
    width: 50px;
    position: fixed;
    right: 65px;
    top: 35px;
    z-index: 2;
    cursor: pointer;
}


/*---about---*/

#about {
    padding: 100px 0px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.about-left-col {
    flex-basis: 50%;
}

.about-left-col img {
    width: 100%;
}

.about-right-col {
    flex-basis: 50%;
    text-align: right;
}

.about-text {
    max-width: 500px;
    margin-right: 100px;
    display: inline-block;
}

.about-text h2 {
    margin: 50px 0 10px;
    font-size: 28px;
    font-style: italic;
}

.about-text h3 {
    color: #777;
    font-size: 20px;
    font-style: italic;
}


/*--features---*/

#features {
    background-color: #24460d;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    padding-top: 50px;
    padding-bottom: 50px;
}

.feature-row {
    width: 80%;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: space-around;
    flex-wrap: wrap;
}

.feature-col {
    flex-basis: 25%;
    text-align: center;
}

.feature-col img {
    width: 100px;
}

.feature-col h4 {
    margin-top: 15px;
    margin-bottom: 15px;
    font-size: 30px;
    font-weight: 500;
    color: orange;
}

.feature-col p {
    color: white;
}

.feature-btn {
    margin: 80px auto 0;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.feature-btn .line {
    text-align: right;
    display: inline-block;
    margin-right: 25px;
}


/*---courses---*/

#courses {
    padding: 100px 0;
    background-color: #dcf3cc;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
}

.course-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.course-right-col {
    flex-basis: 50%;
}

.course-right-col img {
    width: 100%;
}

.course-left-col {
    flex-basis: 50%;
}

.course-text {
    max-width: 350px;
}

.course-text button {
    margin: 30px 0;
}


/*offfeeerrrrr----*/

#offer {
    background-color: #24460d;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    padding: 100px 0px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.about-left-col {
    flex-basis: 50%;
}

.about-left-col img {
    width: 100%;
}

.about-right-col {
    flex-basis: 50%;
    text-align: right;
}

.about-text {
    max-width: 500px;
    margin-right: 100px;
    display: inline-block;
}

#offer .about-text h2 {
    margin: 50px 0 10px;
    font-size: 28px;
    font-style: italic;
    color: white;
}

#offer .about-text h3 {
    color: white;
    font-size: 20px;
    font-style: italic;
}

#offer .about-text p {
    color: white;
}

.about-text h1 {
    color: orange;
}

#offer button {
    margin: 30px 0;
}


/*--contact---*/

.contact-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.contact-left-col,
.contact-right-col {
    flex-basis: 50%;
}

.contact-right-col img {
    width: 100%;
}

form {
    max-width: 350px;
    margin: 30px 0;
}

form input {
    width: 100%;
    padding: 12px 10px;
    margin-bottom: 5px;
    outline: none;
    box-shadow: none;
    box-sizing: border-box;
    border: 2px solid #fab3c4;
}

.btn-box {
    width: 100%;
    display: flex;
    justify-content: space-between;
}

.btn-box button {
    flex-basis: 48%;
    padding: 18px 0;
}


/*-----foooter----*/

#footer {
    padding: 50px 0 30px;
}

hr {
    width: 100%;
    border: 0;
    border-top: 1px solid orange;
}

.footer-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.footer-left-col {
    flex-basis: 50%;
    margin-top: 50px;
}

.footer-right-col {
    flex-basis: 35%;
}

.footer-links {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.link-title h4 {
    color: #fab3c4;
    margin-bottom: 20px;
}

.link-title small {
    font-size: 13px;
    color: #777;
    margin-bottom: 20px;
}

.footer-info {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
}

.footer-logo img {
    width: 100px;
}

.footer-logo button {
    padding: 12px 30px;
    margin-top: 20px;
    font-size: 10px;
}

.copyright-text,
.footer-logo {
    flex-basis: 40%;
}

@media only screen and (max-width: 770px) {
    #header {
        background-image: none;
    }
    .container {
        margin-right: 50px;
        margin-left: 50px;
    }
    .logo {
        margin-top: 27px;
        width: 70px;
    }
    .header-text {
        margin-top: 100px;
    }
    h1 {
        font-size: 25px;
    }
    #menuBtn {
        width: 45px;
        right: 50px;
    }
    .common-btn {
        padding: 10px 16px;
    }
    .about-left-col,
    .about-right-col {
        flex-basis: 100%;
    }
    .about-text {
        margin: 50px 50px 0;
        display: inline-block;
    }
    .about-text h2 {
        margin: 50px 0 10px;
        font-size: 18px;
    }
    .feature-col {
        flex-basis: 100%;
        margin-bottom: 20px;
    }
    .course-left-col {
        flex-basis: 100%;
    }
    .course-right-col {
        flex-basis: 100%;
        margin-top: 70px;
    }
    .contact-left-col,
    .contact-right-col {
        flex-basis: 100%;
    }
    .contact-right-col {
        margin-top: 50px;
    }
    .footer-left-col {
        flex-basis: 100%;
    }
    .footer-right-col {
        flex-basis: 100%;
    }
    .link-title {
        flex-basis: 50%;
        margin-bottom: 30px;
    }
}

#technologies {
    background-color: white;
    max-width: 100%;
    overflow-x: hidden;
}


/* technology */

#contact {
    background-image: url(https://foodtank.com/wp-content/uploads/2020/04/COVID-19-Relief_Small-Farms-.jpg);
    background-attachment: fixed;
    align-items: center;
    width: 100%;
}

.contact-left-col {
    margin-top: 100px;
    margin-left: 500px;
}


/* carousel 2 */

.full-screen {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}