@import url('https://fonts.googleapis.com/css?family=Roboto:900&display=swap');

/** {*/
/*    box-sizing: border-box;*/
/*}*/

body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
}

.slider-container {
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    /*height: 100vh;*/
    /*width: 100vw;*/
}

.slider-container h1 {
    color: #fff;
    font-size: 100px;
    letter-spacing: 5px;
    position: relative;
    z-index: 100;
    text-align: center;
}

.slider-container::after {
    background-color: #000;
    content: '';
    position: absolute;
    opacity: 0.3;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    z-index: 1;
}

.slide {
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    height: 100%;
    width: 100%;
    transform: scale(1.15);
    transition: opacity .6s ease;
}

.slide.active {
    animation: grow 4s linear forwards;
    opacity: 1;
}

@keyframes grow {
    0%, 20% {
        transform: scale(1);
    }

    75%, 100% {
        transform: scale(1.15);
    }
}

.controls-container {
    position: absolute;
    top: 50%;
    right: 10px;
    display: flex;
    flex-direction: column;
    transform: translateY(-50%);
    z-index: 2;
}

.control {
    background-color: #fff;
    cursor: pointer;
    opacity: 0.5;
    margin: 6px;
    height: 40px;
    width: 5px;
    transition: opacity 0.3s, background-color 0.3s, transform 0.3s;
}

.control.active, .control:hover {
    background-color: #fff;
    opacity: 1;
    transform: scale(1.2);
}