@import url(https://fonts.googleapis.com/css?family=Roboto:400,300,700);
* {
    margin: 0;
    padding: 0;
}
html {
    height: 100%
    
    
}
body {
    height: 100%;
    width: 100vW;
    overflow: hidden;
   
}
::-webkit-scrollbar {
    
    
}
.va_menu_icon {
    display: block;
    position: absolute;
    overflow: hidden;
    margin: 0;
    padding: 0;
    width: 45px;
    height: 45px;
    font-size: 0;
    text-indent: -9999px;
    appearance: none;
    box-shadow: none;
    border-radius: none;
    border: none;
    cursor: pointer;
    transition: background 0.3s;
    top: 57%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: transparent;
    z-index: 99;
}

.va_menu_icon:focus {
    outline: none;
}

.va_menu_icon span {
    display: block;
    position: absolute;
    top: 15px;
    left: 0;
    right: 0;
    height: 7px;
    background: #fff;
}

.va_menu_icon span:before, .va_menu_icon span:after {
    position: absolute;
    display: block;
    left: 0;
    width: 100%;
    height: 7px;
    background-color: #fff;
    content: "";
}

.va_menu_icon span:before {
    top: -14px;
}

.va_menu_icon span:after {
    bottom: -14px;
}

.va_menu_icon-X span {
    transition: background 0s 0.3s;
}

.va_menu_icon-X span:before, .va_menu_icon-X span:after {
    transition-duration: 0.3s, 0.3s;
    transition-delay: 0.3s, 0s;
}

.va_menu_icon-X span:before {
    transition-property: top, transform;
}

.va_menu_icon-X span:after {
    transition-property: bottom, transform;
}

.va_menu_icon-X.is-active span {
    background: none;
}

.va_menu_icon-X.is-active span:before {
    top: 0;
    transform: rotate(45deg);
}

.va_menu_icon-X.is-active span:after {
    bottom: 0;
    transform: rotate(-45deg);
}

.va_menu_icon-X.is-active span:before, .va_menu_icon-X.is-active span:after {
    transition-delay: 0s, 0.3s;
}
nav {
    position: absolute;
    top: 100px;
    left: 100px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    width: 75px;
    height: 75px;
    z-index: 4;
}
.bubble_all {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #FD898A;
    border-radius: 50%;
    width: 75px;
    height: 75px;
    z-index: 4;
}
#one, #two, #three, #four {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    width: 65px;
    height: 65px;
    z-index: 3;
    box-shadow: 0 0 20px -5px #111;
    text-align: center;
}
.bubble svg:hover ~ h3 {
     opacity: 1;
}
.bubble h3 {
    opacity: 0;
    transition: all 400ms;
    -webkit-transition: all 600ms;
}
#one {
    background-color: #FDEECF;
}
#one svg {
    width: 40px;
    margin-top: 12px;
}
#one>h3 {
    position: absolute;
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    color: #111111;
    top: 50%;
    left: 75px;
    transform: translateY(-50%);
}
#two {
    background-color: #FDD0BC;
}
#two svg {
    width: 40px;
    margin-top: 12px;
}
#two>h3 {
    position: absolute;
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    color: #111111;
    top: 75px;
    left: 50%;
    transform: translateX(-50%);
}
#three {
    background-color: #EDB4B5;
}
#three svg {
    width: 40px;
    margin-top: 12px;
}
#three>h3 {
    position: absolute;
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    color: #111111;
    top: 50%;
    left: -140px;
    transform: translateY(-50%);
}
#four {
    background-color: #CB86A0;
}
#four svg {
    width: 40px;
    margin-top: 12px;
}
#four>h3 {
    position: absolute;
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    color: #111111;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
}
section {
    width: 100%;
    height: 100%;
    position: absolute;
    overflow: scroll;
}
.start {
    top: 0;
    left: 0;
    
    background: url("a1_tytul.gif") ;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: 90% 80%;
    color: body-color;
    font-family: font-stack;
    font-size: 2.4rem;
    text-align: center;
}
.first {
    left: 100vw;
    top: 0;
    background-color: #FDEECF;
}
.second {
    left: 100vw;
    top: 0;
    background-color: #FDD0BC;
}
.third {
    left: -100vw;
    top: 0;
    background-color: #EDB4B5;
}
.fourth {
    left: -100vw;
    top: 0;
    background-color: #CB86A0;
    
}
section:first-child.content {
    width: 100%;
    height: 100vh;
    opacity: 1;
}
.content {
    width: 100%;
    height: 100vh;
    opacity: 1;
    margin: 0 auto;
    
}
.start h1 {
    font-family: 'Roboto', sans-serif;
    font-size: 40px;
    line-height: 100vh;
    color: #111111;
}
h2 {
    font-family: 'Roboto', sans-serif;
    font-size: 40px;
    color: #111111;
    margin-top: 200px;
}
.content p {
    font-family: 'Roboto', sans-serif;
    font-size: 20px;
    line-height: 1.3;
    color: #111111;
    margin: 50px 10px;
}
.btn {
    background-color: #FD898A; /* Blue background */
    border: none; /* Remove borders */
    color: white; /* White text */
    padding: 12px 16px; /* Some padding */
    font-size: 16px; /* Set a font size */
    cursor: pointer; /* Mouse pointer on hover */
  }