<div class="container">
      <p>
        <span>
          The Future is Now.
        </span>
      </p>
      <p>
        <span>
          Take Action.
        </span>
      </p>
    </div>

*, ::before, ::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html, body {
    height: 100%;
}
body {
    font-family: Montserrat, Helvetica, sans-serif;
    background: url("bg.jpg");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 100px 20px 0;
}
p {
    text-transform: uppercase;
    color: #222;
    font-weight: 900;
    color: transparent;
    font-size: 0px;
}
p span {
    display: inline-block;
    position: relative;
    overflow: hidden;
    font-size: clamp(20px, 8vw, 120px);
}
p span::after {
    content: "";
    display: block;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    transform: translateX(-100%);
}
p:nth-child(1) {
    font-weight: 300;
    animation: txt-appearance 0s 1s forwards;
}
p:nth-child(2) {
    animation: txt-appearance 0s 1.25s forwards;
}
p:nth-child(1) span::after {
    background: salmon;
    animation: slide-in 0.75s ease-out forwards,
    slide-out 0.75s 1s ease-out forwards;
}
p:nth-child(2) span::after {
    background: royalblue;
    animation: slide-in 0.75s 0.3s ease-out forwards,
    slide-out 0.75s 1.3s ease-out forwards;
}

@keyframes slide-in {
    100% {
        transform: translateX(0%);
    }
}
@keyframes slide-out {
    100% {
        transform: translateX(100%)
    }
}
@keyframes txt-appearance {
    100% {
        color: #222;
    }
}