.slider {
    position: absolute;
    top: 0;
    left: 20px;
    height: 100%;
}

.slider .slide {
    position: relative;
    height: 100%;
    float: left;
}

.slider .slide .caption {
    position: absolute;
    height: auto;
    width: fit-content;
    max-width:50%;
    padding: 30px;
    background: rgba(0, 0, 0, .7);
    box-sizing: border-box;
    transition: 0.5s;
}

.slider .slide .caption h2 {
    font-size: 5.4rem;
}

@keyframes animate {
    0% {
        left: 0;
    }
    20% {
        left: 0;
    }
    25% {
        left: -100%;
    }
    45% {
        left: -100%;
    }
    50% {
        left: -200%;
    }
    70% {
        left: -200%;
    }
    75% {
        left: -300%;
    }
    95% {
        left: -300%;
    }
    100% {
        left: -400%;
    }
}

@media (max-width: 1024px) {
    .slider .slide .caption h2 {
        font-size: 4.2rem;
    }
}
@media (max-width: 768px) {
    .slider .slide .caption {
        position: absolute;
        bottom: 20px;
        left: 20px;
        right: 20px;
        padding: 20px;
    }
    .slider .slide .caption h2 {
        margin: 0 0 10;
        font-size: 3rem;
    }
    .slider .slide .caption p {
        font-size: 16px;
    }
}