styles.css

@import url('https://fonts.googleapis.com/css2?family=Grandstander:wght@500&display=swap');




body {
    font-family: 'Roboto', sans-serif;
    background: url("./hack.png");
    position: relative;
}

#header {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

nav {
    text-transform: uppercase;
    flex: 0 0 auto;
    padding: 10px 0;
    position: fixed;
    width: 100%;
    background: #202040;
}

#banner {
    flex: 1 0 auto;
}

nav ul {
    list-style-type: none;
}

nav ul li {
    margin: 0 5px;
}

nav ul li a {
    display: block;
    color: #b030b0;
    background: transparent;
    text-decoration: none;
    padding: 10px;
    border-radius: 10px;
    font-size: 20px;
    transition: color 1s ease, background 1s ease, padding 1s ease;
}

nav ul li a:hover {
    color: #f5f5f5;
    padding-left: 60px;
    background: #b030b0;
}

#nav-top {
    display: flex;
    justify-content: space-between;
    padding: 20px 20px 20px 10px;
}

#nav-top h3 {
    font-size: 30px;
    padding: 9px 20px;
    color: #b030b0;
    /* border: 3px solid; */
    border-bottom: 3px solid;
    border-radius: 30px;
    transition: color 2s ease, background 2s ease;
}

#nav-top h3:hover {
    background: #b030b0;
    color: #f5f5f5;
}

#menu-btn {
    padding: 5px;
    border: 2px solid #b030b0;
    cursor: pointer;
    align-self: center;
}

.bar1,
.bar2,
.bar3 {
    height: 5px;
    width: 35px;
    background-color: #b030b0;
    margin: 5px 0;
    transition: transform 1s ease;
}

.turn .bar1 {
    transform: rotate(-45deg) translate(-7px, 6px);
}

.turn .bar2 {
    opacity: 0;
}

.turn .bar3 {
    transform: rotate(45deg) translate(-7px, -8px);
}


@media screen and (min-width:690px) {
    nav {
        display: flex;
        align-items: baseline;
        flex-wrap: wrap;
        padding: 0 20px;
    }

    #menu-btn {
        display: none;
    }

    nav ul {
        flex: 1 1 auto;
        display: flex !important;
        /*    important*/
        flex-wrap: wrap;
    }

    nav ul li {
        flex: 1 0 125px;
    }

    nav ul .icon {
        flex: 0 0 20px;
    }

    nav ul a {
        text-align: center;

    }

    nav ul a:hover {
        padding: 10px !important;
    }

    #nav-top {
        padding: 10px;
    }
}

/*###############Banner################*/

#banner {
    background:
        /* linear-gradient(rgba(32, 32, 96, 0.7), rgba(32, 32, 96, 0.7)), */
        url("./hack.png");
    background-attachment: fixed;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

#banner-box {
    color: #f5f5f5;
    text-align: center;
}

#banner-title {
    text-transform: capitalize;
    font-size: 60px;
    animation: slideRight 5s ease-in-out 1;
}

.banner-underline {
    width: 200px;
    margin: 10px auto;
    border: 3px solid #b030b0;
}

.banner-subtitle {
    margin: 20px 0 40px 0;
    text-transform: capitalize;
    font-size: 25px;
    animation: slideLeft 5s ease-in-out 1;
}

.banner-btn,
.banner-underline {
    animation: bttn 3s ease-in-out 1;
}

#banner-box a {
    display: inline-block;
    padding: 10px;
    font-size: 40px;
    text-decoration: none;
    color: #f5f5f5;
    background: #b030b0;
    border-radius: 5px;
    cursor: pointer;
    border: 3px solid #b030b0;
    transition: background 3s ease, border 0.5s ease;

}

#banner-box a:hover {
    background: transparent;
    border: 3px solid #f5f5f5;
}

/*title*/

.title {
    margin: 10px 0 40px 0;
    cursor: pointer;
}

.title-text {
    font-size: 60px;
    text-transform: capitalize;
    color: #575757;
}

.title-underline {
    width: 50px;
    border: 3px solid #b030b0;
    transition: width 4s ease, border 4s ease;

}

.title:hover .title-underline {
    width: 200px;
    border: 3px solid red;
}

@keyframes bttn {
    0% {
        transform: scale(2);
        opacity: 0;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes slideLeft {
    0% {
        transform: translateX(1000px);
    }

    50% {
        transform: translateX(-200px);
    }

    75% {
        transform: translateX(50px);
    }

    100% {
        transform: translateX(0px);
    }
}

@keyframes slideRight {
    0% {
        transform: translateX(-1000px);
    }

    50% {
        transform: translateX(200px);
    }

    75% {
        transform: translateX(-50px);
    }

    100% {
        transform: translateX(0px);
    }
}


/* Details */

   .numbers{
    padding: 3rem 0;
    background: linear-gradient(rgba(0,0,0,0.3),rgba(0,0,0,0.3)),url('./time.jpeg')center/cover no-repeat fixed;
    color: #fff;
   }

   .numbers-center{
    max-width: 95vw;
   margin: 2rem auto;
   }
   .detail-number{
    text-align: center;
    margin: 2rem 0;
   }
   .detail-number-icon{
    font-size: 3rem;
   }
   .detail-number-text{
    font-size: 2rem;
    letter-spacing: 0.5rem;
    margin: 0.5rem 0;
   }
   .detail-number-title{
    text-transform: uppercase;
    letter-spacing: 0.25rem;
   }
   
   @media screen and (min-width:576px){
    .numbers-center{
     display: flex;
     flex-wrap: wrap;
     justify-content: space-between;
    }
    .detail-number{
     flex:0 0 calc(50% - 0.5rem) 
    }
   }
   @media screen and (min-width:992px){
    
    .detail-number{
     flex:0 0 calc(25% - 0.5rem) 
    }
   }
   



.card {
    display: grid;
    grid-template-columns: 300px;
    grid-template-rows: 210px 210px 80px;
    grid-template-areas: "image""text""stats";
    position: relative;
    border-radius: 18px;
    background: whitesmoke;
    box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.9);
    font-family: roboto;
    text-align: center;
}

.container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 50px;
}

.card-image {
    grid-area: image;
    position: absolute;
    right: 25%;
    bottom: 70px;
}


.card-text {
    grid-area: text;
}

.card-stats {
    grid-area: stats;
}

.card-image {
    grid-area: image;
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
    background-size: cover;
}

.card-text {
    grid-area: text;
    background: white;
    padding: 25px;
    width: 100%;
}

.card-text .date {
    color: rgb(255, 7, 110);
    font-size: 13px;
}

.card-text p {
    color: grey;
    font-size: 15px;
    font-weight: 300;
    text-align: initial;
}

.card-text h2 {
    margin-top: 0px;
    font-size: 28px;
}

.card-stats {
    display: flex;
    border-bottom-left-radius: 15px;
    border-bottom-right-radius: 15px;
    background: rgb(19 4 60);
    justify-content: center;
    align-items: center;
    color: white;
    background: rgb(255 4 151);
}


.card:hover {
    transform: scale(1.15);
    box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.6);
}

.card {
    width: fit-content;
    transition: 0.5s ease;
    cursor: pointer;
    margin: 30px;
}

* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: "Grandstander", cursive;
}

.fab {
    font-size: 170px;
    position: absolute;
    bottom: 10px;
    right: 50%;
    text-shadow: 7px 7px 10px;
}

.fa-css3 {
    right: 40%;
    color: rgba(0, 0, 255, 0.774);
}

.fa-html5 {
    color: rgba(255, 166, 0, 0.774);
}

.fa-js-square {
    color: rgba(255, 255, 0, 0.774);
    text-shadow: 3px 2px 10px;
}

<!-- Footer contact us  -->
 .footer{
    height: 20%;
    background-color:#b030b0;
  }
  .contact-img{
    display: inline;
    padding-top: 3px;
    padding-bottom: 6px;
    height: 35px;
    width: 35px;
    margin:6px;
    animation: bttn 5s ease-in-out 1;
  }
  .contact-text{
    font-family: sans-serif;
    font-weight: normal;
    color: white;
    font-size: 12px;
    padding: 6px 0px 6px 0px;
    margin:10px;
    text-align: center;
  }


  .about0,.about1,.about2,.about3{
    margin:50px 100px;
     text-align:center;
     color:white;
     font-family: 'Roboto', sans-serif;
     font-size:28px;
     font-family:'Aclonica';
     height:auto;
     width:auto;
     border-top-left-radius: 30px;
     border-bottom-right-radius: 30px;
     background-color:#b030b0;
     padding:50px;
     box-shadow: 20px 20px white;
     z-index:-1;
   
   }
   
   .about0 > p{
     animation:fadeInUp;
     animation-duration:3s;
     animation-iteration-count: 1;
     animation-delay: 0s;
     
     
   }
   .about1 > p{
     animation:fadeInUp;
     animation-duration:3s;
     animation-iteration-count: 1;
     animation-delay: 2s;
     
   }
   .about2 > p{
     animation:fadeInUp;
     animation-duration:3s;
     animation-iteration-count: 1;
     animation-delay: 4s;
    
   }
   .about3 > p{
     animation:fadeInUp;
     animation-duration:3s;
     animation-iteration-count: 1;
     animation-delay: 6s;
     
   }
   .about{
     font-size:3.5em;
     color:white;
     margin-top:150px;
     font-weight:bold;
     text-align:center;
     z-index: -1;
   }
   .about .line{
     display:inline-block;
     line-height:1em;
     
   }
   .pullreq{
     color:pink;
   }