.number-purple li::marker {
    color: #2e413f;
    font-weight: 600;
}

.solution-title-text {
    font-size: 4em;
}

.preloader h1 {
    color: #fff;
    left: 120px;
    bottom: 80px;
    position: absolute;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    font-style: italic;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin: 0;
}

.img-loading {
    transform: perspective(500px) rotateY(-42deg);
    -webkit-transform: perspective(500px) rotateY(-42deg);
    -moz-transform: perspective(500px) rotateY(-42deg);
    -ms-transform: perspective(500px) rotateY(-42deg);
    -o-transform: perspective(500px) rotateY(-42deg);
    animation-name: rotate-windows;
    animation-iteration-count: infinite;
    animation-duration: 3s;
    animation-fill-mode: forwards;
}

@keyframes rotate-windows {
    0% {
        transform: perspective(500px) rotateY(-42deg);
        -webkit-transform: perspective(500px) rotateY(-42deg);
        -moz-transform: perspective(500px) rotateY(-42deg);
        -ms-transform: perspective(500px) rotateY(-42deg);
        -o-transform: perspective(500px) rotateY(-42deg);
    }
    50% {
        transform: perspective(500px) rotateY(0deg);
        -webkit-transform: perspective(500px) rotateY(0deg);
        -moz-transform: perspective(500px) rotateY(0deg);
        -ms-transform: perspective(500px) rotateY(0deg);
        -o-transform: perspective(500px) rotateY(0deg);
    }
    100% {
        transform: perspective(500px) rotateY(-42deg);
        -webkit-transform: perspective(500px) rotateY(-42deg);
        -moz-transform: perspective(500px) rotateY(-42deg);
        -ms-transform: perspective(500px) rotateY(-42deg);
        -o-transform: perspective(500px) rotateY(-42deg);
    }
}