* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
    transition: 0.5s;
}

body::-webkit-scrollbar {
    width: var(--scroll-size, .3vw);
    height: var(--scroll-size, .3vw);
}
body::-webkit-scrollbar-track {
    background-color: var(--scroll-track, transparent);
    border-radius: var(--scroll-track-radius, var(--scroll-radius));
}
body::-webkit-scrollbar-thumb {
    background-color: var(--scroll-thumb-color, rgb(0, 0, 0));
    background-image: var(--scroll-thumb, none);
    border-radius: var(--scroll-thumb-radius, var(--scroll-radius));
}
html, body {
    scrollbar-color: var(--scroll-thumb-color, rgb(0, 0, 0)) var(--scroll-track, transparent);
    scrollbar-width: thin;
}
:root {
    --scroll-size: .3vw;
    --scroll-radius: 10vw;
    --scroll-track: rgba(255, 255, 255, 0.26);
    --scroll-thumb-color: rgb(0, 255, 73);
}

body {
    font-family: 'Nunito';
    font-weight: 500;
    position: relative;
    transition: all 1s;
    background-color: rgb(0,0,0);
    background-size: cover;
}

h1{
    text-align: center;
    color: white;
}

p{
    text-align: center;
    color: white;
}
.area{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height:100%;
}

.circles{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.circles li{
    position: absolute;
    display: block;
    list-style: none;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.2);
    animation: animate 25s linear infinite;
    bottom: -150px;

}

.circles li:nth-child(1){
    left: 25%;
    width: 80px;
    height: 80px;
    animation-delay: 0s;
}


.circles li:nth-child(2){
    left: 10%;
    width: 20px;
    height: 20px;
    animation-delay: 2s;
    animation-duration: 12s;
}

.circles li:nth-child(3){
    left: 70%;
    width: 20px;
    height: 20px;
    animation-delay: 4s;
}

.circles li:nth-child(4){
    left: 40%;
    width: 60px;
    height: 60px;
    animation-delay: 0s;
    animation-duration: 18s;
}

.circles li:nth-child(5){
    left: 65%;
    width: 20px;
    height: 20px;
    animation-delay: 0s;
}

.circles li:nth-child(6){
    left: 75%;
    width: 110px;
    height: 110px;
    animation-delay: 3s;
}

.circles li:nth-child(7){
    left: 35%;
    width: 150px;
    height: 150px;
    animation-delay: 7s;
}

.circles li:nth-child(8){
    left: 50%;
    width: 25px;
    height: 25px;
    animation-delay: 15s;
    animation-duration: 45s;
}

.circles li:nth-child(9){
    left: 20%;
    width: 15px;
    height: 15px;
    animation-delay: 2s;
    animation-duration: 35s;
}

.circles li:nth-child(10){
    left: 85%;
    width: 150px;
    height: 150px;
    animation-delay: 0s;
    animation-duration: 11s;
}

/* FOOTER */
footer{
    width: 100%;
    position: flex;
    bottom: 0;
    left: 0;
    padding: 1rem 8%;
    margin-top: 4%;
    display: flex;
    justify-content: center;
    text-align: center;
    align-items: center;
    flex-direction: column;
}

.logo{
    height: 80px;
}

span{
    color: white;
}

@keyframes animate {

    0%{
        transform: translateY(0) rotate(0deg);
        opacity: 1;
        border-radius: 0;
    }

    100%{
        transform: translateY(-1000px) rotate(720deg);
        opacity: 0;
        border-radius: 50%;
    }

}

@media only screen and (max-width: 1269px) {
    .buttons-container  button {
        width: 120px;
        margin: 10px;
    }
}

@media only screen and (max-width: 853px) {
    .buttons-container  button {
        width: 120px;
        margin: 5px;
    }
}

@media only screen and (max-width: 793px) {
    .buttons-container  button {
        width: 120px;
        margin: 2px;
    }
}

@media only screen and (max-width: 757px) {
    .buttons-container  button {
        width: 100px;
        margin: 2px;
    }
}

@media only screen and (max-width: 733px) {
    .all {
        display: flex;
        flex-direction: column;
        justify-content: center;
        width: 100%;
        height: 100%;
        overflow: auto;
    }

    .boxes-container{
        width: 80%;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        margin: 20px;
    }

    .boxes_izq {
        margin-top: 200px;
    }

    .buttons-container  button {
        width: 120px;
        margin: 5px;
    }
}


@media only screen and (max-width: 390px) {
    .all {
        display: flex;
        flex-direction: column;
        justify-content: center;
        width: 100%;
        height: 100%;
        overflow: auto;
    }

    .boxes_izq .box {
        margin-top: 150px;
    }

    .boxes-container{
        width: 80%;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        margin: 20px;
    }

    .boxes_izq {
        margin-top: 300px;
    }

    .buttons-container  button {
        width: 120px;
        margin: 5px;
    }

    footer{
        text-align: center;
    }
}