body{
    position: fixed;
    height: 100%;
    width: 100%;
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    user-select: none;
}
#start, #n1{
    position: absolute;
    bottom: 20px;
    right: 20px;
}
.btn{
    background-color: #436bca;
    padding: 10px 15%;
    border-radius: 8px;
    color: #eee;
    transition: background-color 0.5s ease;
    cursor: pointer;
    box-shadow: #888;
}
.btn:hover{
    background-color: #34539b;
}
.btn:active{
    outline: 2px #000 dashed;
    border: 2px solid #fff;
    background-color: #20376c;
    transform: translate3d(2px, 2px, 0);
}
#blank{
    position: absolute;
    right: 0;
    width: 40%;
    height: 100%;
    top: 0;
    background-color: #ffffffbb;
}
#title{
    position: absolute;
    margin: auto;
    height: fit-content;
    top: 0;
    bottom: 0;
    width: 50%;
    left: 5%;
}
.page{
    width: 100%;
    position: absolute;
    height: 100%;
    background-color: #f0f0f0;
}
@keyframes rem {
    0%{
        transform: translateY(0);
    }
    100%{
        transform: translateY(-100%);
        filter: opacity(0);
    }
}
#page2, #page3, #page4, #page5, #page6{
    padding: 0 20px;
    width: auto;
    overflow-y: auto;
}
#bg{
    background: url(railway-opening-3071037-58d82a8d3df78c5162c57592.webp) center no-repeat;
    filter: blur(4px);
    width: 100%;
    height: 100%;
}
span, p{
    font-size: 20px;
    line-height: 1.5;
}
#not-bg{
    background-color: #eeeeeeaa;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
}
a{
    color: #386ade;
    transition: transform 0.3s ease;
    transform: translateX(0);
}
a:hover{
    transform: translateX(20px);
    display: block;
}
a:active{
    color: #34539b;
    border: dashed 2px #000;
}