html {
    height: 100%;
    width: 100%;
}

body {
    margin: 0%;
}

.middles1 {
    height: 320px;
    width: 100%;
    background-color: #17252A;
}

.middles1 img:nth-child(1) {
    position: absolute;
    top: -50%;
    width: 100%;
    z-index: 0;
}

.middles1 .cover {
    position: absolute;
    top: 0;
    height: 320px;
    width: 100%;
    background-color: #17252ac5;
}

.middles1 .t1,
.t2 {
    position: absolute;
    top: 15%;
    left: 45%;
    color: #ffffff;
    font-size: 40px;
    font-family: sans-serif;
    transition: .5s;
}

.middles1 .t2 {
    margin-top: 4%;
}

.middles1 .t1:hover,
.t2:hover {
    color: rgb(151, 159, 243);
    transition: .5s;
}

.cover2 {
    position: relative;
    height: 1650px;
    width: 100%;
    background-color: white;
    z-index: 1;
}

.middles2 img {
    position: absolute;
    top: 50%;
    left: 10%;
    width: 40%;
    z-index: 2;
    border-radius: 2%;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);

}

.middles2 .card1 {
    position: absolute;
    top: 54.5%;
    left: 45%;
    width: 47%;
    z-index: 2;
    border-radius: 8px;
    background-color: #FEFFFF;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
    transition: 0.3s;
}

.middles2 .card1:hover {
    box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2);
}

.card1 .cardt1 {
    font-size: 25px;
    font-family: sans-serif;
    text-align: center;
    color: rgba(0, 0, 0, 0.811);
}

.card1 .cardt2 {
    font-size: 18px;
    font-family: sans-serif;
    padding: 5px 16px;
    color: rgba(0, 0, 0, 0.633);
}

.middles3 img {
    position: absolute;
    top: 120%;
    left: 52%;
    width: 40%;
    z-index: 2;
    border-radius: 2%;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
}

.middles3 .card2 {
    position: absolute;
    top: 124.5%;
    left: 10%;
    width: 47%;
    z-index: 2;
    border-radius: 8px;
    background-color: #FEFFFF;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
    transition: 0.3s;
}

.middles3 .card2:hover {
    box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2);
}

.card2 .cardt3 {
    font-size: 25px;
    font-family: sans-serif;
    text-align: center;
    color: rgba(0, 0, 0, 0.811);
}

.card2 .cardt4 {
    font-size: 18px;
    font-family: sans-serif;
    padding: 5px 16px;
    color: rgba(0, 0, 0, 0.633);
}

.middles4 img {
    position: absolute;
    top: 190%;
    left: 10%;
    width: 40%;
    z-index: 2;
    border-radius: 2%;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
}

.middles4 .card3 {
    position: absolute;
    top: 199%;
    left: 45%;
    width: 47%;
    z-index: 2;
    border-radius: 8px;
    background-color: #FEFFFF;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
    transition: 0.3s;
}

.middles4 .card3:hover {
    box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2);
}

.card3 .cardt5 {
    font-size: 25px;
    font-family: sans-serif;
    text-align: center;
    color: rgba(0, 0, 0, 0.811);
}

.card3 .cardt6 {
    text-align: justify;
    font-size: 18px;
    font-family: sans-serif;
    padding: 5px 16px;
    color: rgba(0, 0, 0, 0.633);
}

.reveal {
    position: relative;
    opacity: 0;
}

.reveal.active {
    opacity: 1;
}

.active.fade-left {
    animation: fade-left 1s ease-in;
}

.active.fade-right {
    animation: fade-right 1s ease-in;
}

@keyframes fade-left {
    0% {
        transform: translateX(-100px);
        opacity: 0;
    }

    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fade-right {
    0% {
        transform: translateX(100px);
        opacity: 0;
    }

    100% {
        transform: translateX(0);
        opacity: 1;
    }
}