body{
    padding: 0;
    margin: 0;
    font-family: 'Comic Sans MS';
    font-size: 20px;
}
.header{
    min-height: 100vh;
    min-width: 100vh;
    background-image: linear-gradient(rgba(4,9,30,0.7),rgba(4,9,30,0.7)), url(images/computer.jpg);
    background-position: center;
    background-size: cover;
    position: relative; 
}
nav{
    display: flex;
    padding: 1% 2%;
    justify-content: space-between;
    align-items: center;
}
nav img{
    width: 220px;
}
.nav-links{
    flex: 1;
    text-align: right;
}
.nav-links ul li{
    display: inline-block;
    padding: 18px 13px;
    position: relative;
}
.nav-links ul li a{
    color: 	#4dffff;
    font-size: 18px;
    font-family: 'Poppins', sans-serif;
}
.nav-links ul li::after{
    height: 2px;
    background: #1994e6;
    display: block;
    margin: auto;
    transition: 0.5s;
}
.nav-links ul li:hover::after{
    width: 100%;
}
.text-box{
    color: white;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    text-align: center;
}
.text-box h1{
    font-size: 42px;
    color: 	rgb(204, 163, 245);
}
.text-box h4{
    margin: 10px 0 40px;
    font-size: 14px;
    color: #00ff40;
}
.hero-btn{
    display: inline-block;
    text-decoration: none;
    color: white;
    border: 1px solid white;
    padding: 12px 34px;
    font-size: 13px;
    background: transparent;
    position: relative;
}
.hero-btn:hover{
    border: 1px solid #f44336;
    background: #f44336;
    transition: 1s;
}
@media(max-width: 700px){
    .text-box h1{
        font-size: 20px;
    }
    .nav-links ul li{
        display: block;
    }
    .nav-links{
        position: absolute;
        height: 100vh;
        width: -200px;
        top: 0;
        right: 0;
        text-align: left;
        z-index: 2;
    }
    nav .fa{
        display: block;
        color: white;
        margin: 10px;
        font-size: 22px;
        cursor: pointer;
    }
    .nav-links ul{
        padding: 30px;
    }
}

/*----------------------------------------------------- Features ---------------------------------------------*/

.feature{
    width: 86.8%;
    margin: auto;
    text-align: center;
    padding: 100px;
    border-top: 1px solid black;
}
h1{
    font-size: 36px;
    font-weight: 600;
}
h1.OSF{
    font-size: 36px;
    font-weight: 500;
    font-family: 'Verdana';
}
.s{
    padding-top: 3px;
    font-weight: 370;
}
.feature{
    padding-top: 100px;
    background-color: 	rgb(0, 102, 204);
    color: white;
}
.row{
    margin-top: 5%;
    display: flex;
    justify-content: space-between;
}
.feature-col{
    flex-basis: 31%;
    background: rgb(179, 217, 255);
    border-radius: 10px;
    margin-bottom: 5%;
    padding: 20px 12px;
    box-sizing: border-box;
    
}
.size{
    font-size: 20px;
    color: rgb(92, 40, 40);
    font-weight: 350;
    padding-bottom: 13px;
}
.feature-col:hover{
    box-shadow: 0 0 20px 0px rgba(0,0,0,0.6);
}

/*------------------------------------------ Characteristics ---------------------------------------*/

.characteristics{
    width: 100%;
    background: rgb(255, 204, 255); 
    border-top: 1px solid black;
}
.character{
    width: 80%;
    margin: auto;
    padding-top: 100px;
    text-align: center;
    display: flex;
    justify-content: space-between;
}
.chc{
    width: 50%;
    height: 30%;
    padding-top: 200px;
    padding-left: 20px;
}
.character-col{
    flex-basis: 31%;
    background: #fff3f3;
    border-radius: 10px;
    margin-bottom: 5%;
    padding: 20px 12px;
    box-sizing: border-box;
    color: #643636;
}
.character-col:hover{
    width: 110%;
    box-shadow: 0 0 20px 0px rgba(0,0,0,0.6);
    transition: 0.75s;
}
.character-col img{
    height: 40px;
    margin-right: 30px;
    margin-left: 5px;
    border-radius: 50%;
}
.colsp{
    padding-right: 10px;
    padding-bottom: 50px;
}
.character-col .fa{
    color: #f44336;
}

/*---------------------------------------------- Footer ---------------------------------------------*/

.footer{
    width: 100%;
    text-align: center;
    padding: 30px ;
}
.footer h4{
    margin-bottom: 25px;
    margin-top: 20px;
    font-weight: 500;
}

/*------------------------------------------------ Generation ------------------------------------*/

.cta{
    margin: 100px auto;
    width: 80%;
    background-image: linear-gradient(rgba(0,0,0,0.7),rgba(0,0,0,0.7)) ,url(images/computer1.jpg);
    background-position: center;
    background-size: cover;
    border-radius: 10px;
    text-align: center;
    padding: 100px 0;
}
.cta h1{
    color: white;
    margin-bottom: 40px;
    padding: 0;
}

/*------------------------------------------------- About Us ------------------------------------*/

.sub-header{
    height: 50vh;
    width: 100%;
    background-image: linear-gradient(rgba(4,9,30,0.7),rgba(4,9,30,0.7)), url(images/about.jpg);
    background-position: center;
    background-size: cover;
    text-align: center;
    color: white;
}
.sub-header h1{
    padding: 100px;
}
.about-us{
    width: 80%;
    margin: auto;
    padding-top: 80px;
    padding-bottom: 50px;
}
.about-col{
    flex-basis: 48%;
    padding: 30px 2px;
}
.about-col img{
    width: 100%;
}
.about-col h1{
    padding-top: 0;
    text-align: center;
}
.about-col p{
    padding: 15px 0 25px;
    text-align: center;
    color: rgb(68, 32, 32);
}

/*------------------------------------------------------Generation ----------------------------------------------*/

.sur-header{
    height: 50vh;
    width: 100%;
    background-image: linear-gradient(rgba(4,9,30,0.7),rgba(4,9,30,0.7)), url(images/generation.jpg);
    background-position: center;
    background-size: cover;
    text-align: center;
    color: white;
}
.sur-header h1{
    padding: 100px;
}
.generation{
    text-align: center;
    padding-top: 100px;
}
.rwo{
    margin-top: 5%;
    display: flex;
    justify-content: space-between;
    padding-left: 30px;
}
.sec{
    padding-left: 40px;
    text-align: left;
    color: #3f0e0b;
}
.feature-col h3{
    text-align: left;
}
.feature-cod{
 flex-basis: 50%;
background: #d2e1fa;
border-radius: 10px;
margin-bottom: 5%;
margin-right: 10px;
padding: 20px 12px;
box-sizing: border-box;
transition: 0.75s;
}
.feature-cod:hover{
    box-shadow: 0 0 20px 0px rgba(0,0,0,0.6);
}

/*--------------------------- Feedback --------------------------*/

.sut-header{
    height: 50vh;
    width: 100%;
    background-image: linear-gradient(rgba(4,9,30,0.7),rgba(4,9,30,0.7)), url(images/feedback.jpg);
    background-position: center;
    background-size: cover;
    text-align: center;
    color: white;
}
.sut-header h1{
    padding: 100px;
}
.sc{
    padding-top: 100px;
    padding-left: 200px;
    padding-right: 200px;
    padding-bottom: 100px;
}
.di{
    background-color: #b3ffe0;
    padding: 100px;
}
.di, h1{
    padding-top: 20px;
}
.di img{
    padding-left: 170px;
}
.yr, .ed, .pn, .m{
    text-align: left;
    padding-bottom: 5px;
}
.nm{
    padding: 10px;
    border: none;
    background-color: rgb(235, 229, 230);
    border: 1px inset black;
}
.nm:hover{
    box-shadow: 0 0 20px 0px rgba(0,0,0,0.6);
}
#sb{
    margin-top: 50px;
    padding: 5px;
    background-color: rgb(255, 235, 239);
}
#rs{
    margin-top: 50px;
    padding: 5px;
    margin-left: 18px;
    background-color: rgb(255, 235, 239);
}