body {
    font-family: "Work Sans", Arial, sans-serif;
}

.block-header {
    background-image: linear-gradient(to top, #29a8df, #219cd1);
    padding: 2rem 0 15rem 0;
}

.block-header h1 {
    font-size: 38px;
    line-height: 1.2;
    font-weight: 200;
}

.block-header ul li {
    font-size: 20px;
    line-height: 1.8;
    font-weight: 200;
}

.block-content .btn {
    font-size: 19px;
    line-height: 1.6;
    font-weight: 200;

    animation: shake 6s ease infinite 6s;

    transform: translate3d(0, 0, 0);
    transform: rotate(0deg); 
    backface-visibility: hidden;
}

.block-video {
    margin-top: -15rem;
    margin-bottom: 2rem;
}

.block-footer {
    font-size: 14px;
    margin-top: 2rem;
    padding: 1rem 0;
    background-color: #eee;
}

@keyframes shake {
    1%, 9% {
      transform: translate3d(-1px, 1px, 0);
      transform: rotate(1deg); 
    }
    2%, 8% {
      transform: translate3d(2px, -2px, 0);
    }
    3%, 5%, 7% {
      transform: translate3d(-3px, 2px, 0);
    }
    4%, 6% {
      transform: translate3d(3px, 1px, 0);
      transform: rotate(-1deg); 
    }
    10% {
        transform: translate3d(0, 0, 0);
        transform: rotate(0deg); 
    }
}