html {
    height: 100%;
    background-color:turquoise;
}
body {
    font-family: "DM Sans", sans-serif;
    overflow: auto;
    position: relative;
    text-align: center;
    vertical-align: middle;
    height:100%;
}

.container {
    padding-top: 10%;
}

.bubble-1 {
    right: 300px;
    animation-delay: 1.3s;
}
.bubble-1 .bubble-animation-y{
    animation-delay: 0.7s;
}

.bubble-2 {
    right: 33px;
    animation-delay: 2s;
}
.bubble-2 .bubble-animation-y{
    animation-delay: 2.1s;
}

.bubble-3 {
    right: 225px;
    animation-delay: 0s;
}
.bubble-3 .bubble-animation-y{
    animation-delay: 3.8s;
}

.bubble-4 {
    left: 200px;
    animation-delay: 0s;
}
.bubble-4 .bubble-animation-y{
    animation-delay: 6s;
}

.bubble-5 {
    left: 115px;
    animation-delay: 1.5s;
}
.bubble-5 .bubble-animation-y{
    animation-delay: 7s;
}
.bubble2-1 {
    right: 100px;
    animation-delay: 1.5s;
}
.bubble2-1 .bubble2-animation-y{
    animation-delay: 0.7s;
}

.bubble2-2 {
    left: 100px;
    animation-delay: 2s;
}
.bubble2-2 .bubble2-animation-y{
    animation-delay: 1s;
}

.bubble2-3 {
    left: 40px;
    animation-delay: 5s;
}
.bubble2-3 .bubble2-animation-y{
    animation-delay: 5s;
}
.moji-1 {
    left: 50px;
    animation-delay: 0s;
}
.moji-1 .moji-animation-y{
    animation-delay: 3s;
}
.moji-2 {
    right: 100px;
    animation-delay: 1.5s;
}
.moji-2 .moji-animation-y{
    animation-delay: 3s;
}
.moji-3 {
    right: 50px;
    animation-delay: 0.5s;
}
.moji-3 .moji-animation-y{
    animation-delay: 4s;
}

.bubble-container {
    position: absolute;
    width: 25px;
    height: 25px;
    bottom: 0;
}
.bubble2-container {
    position: absolute;
    width: 25px;
    height: 25px;
    bottom: 0;
}
.moji-container {
    position: absolute;
    width: 25px;
    height: 25px;
    bottom: 0;
}

.bubble {
    background-image:url(../img/PIEN.png);
    opacity: 100%;
    width: 45px;
    height: 45px;
}
.bubble2 {
    background-image:url(../img/PIEN2.png);
    opacity: 100%;
    width: 45px;
    height: 45px;
}
.moji {
    background-image:url(../img/GOMEN.png);
    opacity: 100%;
    width: 161px;
    height: 43px;
}

.bubble-animation-x {
    animation-duration: 2s;
    animation-iteration-count: infinite;
    animation-name: bubbleXAnimFrames;
    animation-timing-function: ease;
    animation-direction: alternate;
}
.bubble2-animation-x {
    animation-duration: 2s;
    animation-iteration-count: infinite;
    animation-name: bubbleXAnimFrames;
    animation-timing-function: ease;
    animation-direction: alternate;
}

.bubble-animation-y {
    animation-duration: 8s;
    animation-iteration-count: infinite;
    animation-name: bubbleYAnimFrames;
    animation-timing-function: linear;
}
.bubble2-animation-y {
    animation-duration: 10s;
    animation-iteration-count: infinite;
    animation-name: bubbleYAnimFrames;
    animation-timing-function: linear;
}
.moji-animation-x {
    animation-duration: 2s;
    animation-iteration-count: infinite;
    animation-name: mojiXAnimFrames;
    animation-timing-function: ease;
    animation-direction: alternate;
}

.moji-animation-y {
    animation-duration: 8s;
    animation-iteration-count: infinite;
    animation-name: mojiYAnimFrames;
    animation-timing-function: linear;
}

@keyframes bubbleXAnimFrames {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(50px);
    }
}

@keyframes bubbleYAnimFrames {
    0% {
        transform: translateY(0);
        opacity: 0;
    }
    10% {
        transform: translateY(0);
        opacity: 0.5;
    }
    95% {
        transform: translateY(-95vh);
        opacity: 0.5;
    }
    100% {
        transform: translateY(-100vh);
        opacity: 0;
    }
}

@keyframes mojiXAnimFrames {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(50px);
    }
}

@keyframes mojiYAnimFrames {
    0% {
        transform: translateY(0vh);
        opacity: 0;
    }
    10% {
        transform: translateY(0vh);
        opacity: 0.5;
    }
    95% {
        transform: translateY(-95vh);
        opacity: 0.5;
    }
    100% {
        transform: translateY(-100vh);
        opacity: 0;
    }
}