/* CSS on all html elements */
* {
    box-sizing: inherit;
}

html {
    height: 100%;
    margin: 0;
    /* default font-size: 16px -> 1rem = 10px */
    font-size: 62.5%;
    line-height: 1.6rem;
    font-family: 'Roboto', sans-serif;
    box-sizing: border-box;
    scroll-behavior: auto;
}

body {
    margin: 0;
    min-height: 100%;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
}


/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes growth {
    from {
        opacity: 0;
        transform: scale(0);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}


/* Navigation button */
.navigation-btn {
    width: 2.5rem;
    height: 2.5rem;
    background-color: #fff;
    border: none;
    border-radius: 50%;
    border: 1px solid rgba(0,0,0,0.08);
    box-shadow: 0 1px 12px 0 rgb(0 0 0 / 12%);
    cursor: pointer;
    position: absolute;
    top: 50%;
    transform: translateY(calc(-50%));
    display: flex;
    justify-content: center;
}

.navigation-btn__previous {
    left: 0;
    margin-left: calc(-1.25rem);
}

.navigation-btn__next {
    right: 0;
    margin-right: calc(-1.25rem);
}

.navigation-btn__icon {
    margin: auto 0;
    color: rgba(0,0,0,.54);
    font-size: 1rem;
}


/* Input placeholder */
::-webkit-input-placeholder {
    color: rgba(0, 0, 0, 0.8);
    opacity: 0.5;
}