@import url('https://fonts.googleapis.com/css?family=Source+Sans+Pro&display=swap');

html,
body {
    font-family: sans-serif;
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
    background-color: #F7F8FB;
    height: 100%;
    -webkit-font-smoothing: antialiased;
}

body {
    background: -webkit-linear-gradient(-45deg, #ff4238 0%, #cfdd00 100%);
    background: linear-gradient(135deg, #ff4238 0%, #cfdd00 100%);
    background-size: 400% 400%;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: start;
    justify-content: center;
    font-family: 'Source Sans Pro';

    -webkit-animation: BackgroundAnimation 20s ease infinite;
    -moz-animation: BackgroundAnimation 20s ease infinite;
    animation: BackgroundAnimation 20s ease infinite;

    overflow: hidden;
}

#particles {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 0;
}

main {
    background-color: rgba(23, 25, 34, 0.81);
    height: 100%;
    width: 520px;
    padding: 3em;
    z-index: 10;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.intro {
    width: 100%;
}

.intro h1 {
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.intro h1 span {
    color: #ff4238;
}

.intro p {
    color: #5f727f;
    margin: 0 0 1.1em;
    line-height: 25px;
    font-size: 16px;
    font-weight: normal;
    font-family: 'Source Sans Pro';
}

.intro p a {
    color: #ff4238;
    text-decoration: none;
    transition: 0.3s all;
}

.intro p a:hover {
    color: #384554;
}

footer {
    font-family: 'Source Sans Pro';
    color: #fff;
}

footer span {
    color: #ff4238;
}

@-webkit-keyframes BackgroundAnimation {
    0% {
        background-position: 0% 50%
    }

    50% {
        background-position: 100% 50%
    }

    100% {
        background-position: 0% 50%
    }
}

@-moz-keyframes BackgroundAnimation {
    0% {
        background-position: 0% 50%
    }

    50% {
        background-position: 100% 50%
    }

    100% {
        background-position: 0% 50%
    }
}

@keyframes BackgroundAnimation {
    0% {
        background-position: 0% 50%
    }

    50% {
        background-position: 100% 50%
    }

    100% {
        background-position: 0% 50%
    }
}

/* =================================================== MAX-WIDTH 768 PX ==========================================================*/



@media (max-width: 868px) {
    #particles {
        display: none;
    }

    body {
        overflow-y: scroll;
    }

    main {
        width: 100%;
    }

    .intro {
        width: 80%;
    }
}

@media (max-width: 768px) {}

@media (max-width: 670px) {}

@media (min-width: 500px) and (max-width: 992px) {}


@media (max-width: 570px) {}

/* =================================================== MAX-WIDTH 420 PX ==========================================================*/
@media (max-width: 420px) {}

/* =================================================== MAX-WIDTH 375 PX ==========================================================*/
@media (max-width: 375px) {}

/* =================================================== MAX-WIDTH 350 PX ==========================================================*/
@media (max-width: 350px) {}