@import url('https://fonts.googleapis.com/css?family=Roboto:100,300,400');

body {
    margin: 0;
    padding: 0;
    text-align: center;
    padding-top: 5vh;
    color: #fff;
    font-family: 'Roboto', sans-serif;
    font-size: 36px;
    font-weight: 100;
    overflow: hidden;
    height: 100vh;
    animation: bg 20s linear infinite;
}

home-page {
    padding-top: 35vh;
    font-size: 28px;
}
@keyframes bg {
    0% {
        background: linear-gradient(45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    }
    25% {
        background: linear-gradient(45deg, #e73c7e, #23a6d5, #23d5ab, #ee7752);
    }
    50% {
        background: linear-gradient(45deg, #23a6d5, #23d5ab, #ee7752, #e73c7e);
    }
    75% {
        background: linear-gradient(45deg, #23d5ab, #ee7752, #e73c7e, #23a6d5);
    }
    100% {
        background: linear-gradient(45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    }
}

.nav-menu {
    position: fixed;
    top: 20px;
    right: 30px;
    z-index: 100;
}

.nav-menu a {
    color: #fff;
    text-decoration: none;
    margin-left: 25px;
    font-size: 16px;
    font-weight: 300;
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.nav-menu a:hover {
    opacity: 1;
}

.dropping-texts {
    display: inline-block;
    width: 200px;
    text-align: left;
    height: 36px;
    vertical-align: -2px;
    overflow: hidden;
    position: relative;
}

.dropping-texts div {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    font-weight: 300;
    opacity: 0;
    animation: drop 8s infinite;
}

.dropping-texts div:nth-child(1) {
    animation-delay: 0s;
}

.dropping-texts div:nth-child(2) {
    animation-delay: 2s;
}

.dropping-texts div:nth-child(3) {
    animation-delay: 4s;
}

.dropping-texts div:nth-child(4) {
    animation-delay: 6s;
}

@keyframes drop {
    0% {
        opacity: 0;
        transform: translateY(-50px);
    }
    10% {
        opacity: 1;
        transform: translateY(0);
    }
    20% {
        opacity: 1;
        transform: translateY(0);
    }
    25% {
        opacity: 0;
        transform: translateY(50px);
    }
    100% {
        opacity: 0;
        transform: translateY(50px);
    }
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding-top: 35vh;
        font-size: 28px;
    }
    
    .dropping-texts {
        width: 180px;
        height: 28px;
    }
    
    .nav-menu {
        top: 15px;
        right: 15px;
    }
    
    .nav-menu a {
        font-size: 14px;
        margin-left: 15px;
    }
}