@media screen and (max-width: 720px){

    #head{
        display: none;
    }
    .nav-bton {
        margin-top: 20px;
        margin-left: 0px; 
    }
    .navbar-collapse{
        text-align: center;
    }
    .navbar-brand img {
        width: 128px;
    }
    .nav-item{
        margin-bottom: 15px;
    }
    #header {
        width: 100%;
        height: auto;
        display: flex;
        align-items: center;
    }
    .slider {
        height: 100vh;
        padding: 50px 0;
    }
    .slider h1{
        font-size: 35px;
    }
    p{
        font-size: 18px;
    }
    .carousel-control-prev{
        display: none;
    }
    .carousel-control-next{
        display: none;
    }
    .about-left h1 {
        font-size: 35px;
        font-weight: 700;
    }
    h1{
        font-size: 35px;
    }
    .opportunity-main h2{
        font-size: 25px;
    }
    .opportunity-box img{
        width: 100px;
    }
    #opportunity{
        padding: 50px 0;
    }
    .portfolio{
        padding: 70px 0;
    }
    #investment{
        padding: 50px 0;
    }
    #work{
        padding: 50px 0;
    }
    #about{
        text-align: center;
        padding: 50px 0;
    }
    .testmonail{
        padding: 50px 0;
    }
    .header-main {
        width: 100%;
    }
    .flex-reverse{
        display: flex;
        flex-direction: column-reverse;
    }
    .investment-photo {
        width: 100%;
        margin-bottom: 30px;
    }
    .investment-text {
        width: 100%; 
        margin-left: 0px;
    }
    .investment-box {
        display: block;
    }
    .left-site {
        width: 100%;
        margin-right: 0px;
        margin-bottom: 30px;
    }
    .reverse{
        display: flex;
        flex-direction: column-reverse;
    }
    .work-mar{
        margin-bottom: 30px;
    }
    .form-content textarea {
        
    }
    .header-main{
        text-align: center;
    }
    

}