@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

h1 {
    text-align: center;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 450px;
    color: white;
    font-size: 80px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    border-bottom: 1.5px solid white;
    padding-bottom: 10px;
}

.intro {
    text-align: center;
    color: white;
    font-weight: 1000;
    font-size: 20px;
    margin: 300px auto 10px;
    margin-top: 8px;
    margin-left: 10px;
    margin-right: 10px;
    animation: slideIn 1s ease-in-out;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.descript {
    text-align: center;
    color: white;
    font-size: 15px;
    font-weight: 10;
    margin: 0 auto 20px;
    margin-bottom: 8px;
    margin-left: 10px;
    margin-right: 10px;
    animation: slideIn 1.5s ease-in-out;
    animation-delay: 0.5s;
    opacity: 0;
    animation-fill-mode: forwards;
}

.introduction {
    border-style: solid;
    border-radius: 5px;
    border-color: rgba(19, 55, 93, 0.5);
    border-width: 1px;
    margin: 0 auto;
    width: 30%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 350px;
    background-color: rgba(19, 55, 93, 0.5);
    box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

body {
    background-image: url("../images/BG_1.png");
    background-repeat: no-repeat;
    background-size: cover;
}

.nextpage, .nextpage2 {
    text-align: center;
    position: absolute;
    left: 42%;
    transform: translateX(-50%);
    bottom: 270px;
    color: white;
    border-style: solid;
    border-radius: 5px;
    border-width: 1px;
    background-color: rgba(19, 55, 93, 0.5);
    padding: 10px;
    text-decoration: none;
    opacity: 0;
    animation: slideIn 2s ease-in-out;
    animation-delay: 1s;
    animation-fill-mode: forwards;
    box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.nextpage2:hover {
    color: white;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.3);
    border: 1px solid white;
}

.nextpage:hover {
    color: white;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.3);
    border: 1px solid white;
}
.nextpage2 {
    left: 53%;
    animation-delay: 1.5s;
}