.display-3{
    margin-top:200px;
    margin-bottom:50px;
}

.bg-color{
    background-color:white;
}

.lead {
    margin-top: 10px;
    font-size:18px;
    color:gray;
    margin-bottom:250px;
}

.thank-you {
    margin-top: 10px;
    margin-bottom:40px;
    font-weight:200;
    font-size: 18px;
    color: gray;
}

.problem-note{
    font-size:16px;
    margin-bottom:20px;
}

/*automated dots...*/
.a-inspector-loader {

    z-index: 99999;
}

@keyframes dots-1 {
    from {
        opacity: 0
    }

    25% {
        opacity: 1
    }
}

@keyframes dots-2 {
    from {
        opacity: 0
    }

    50% {
        opacity: 1
    }
}

@keyframes dots-3 {
    from {
        opacity: 0
    }

    75% {
        opacity: 1
    }
}

@-webkit-keyframes dots-1 {
    from {
        opacity: 0
    }

    25% {
        opacity: 1
    }
}

@-webkit-keyframes dots-2 {
    from {
        opacity: 0
    }

    50% {
        opacity: 1
    }
}

@-webkit-keyframes dots-3 {
    from {
        opacity: 0
    }

    75% {
        opacity: 1
    }
}

.a-inspector-loader .dots span {
    animation: dots-1 2s infinite steps(1);
    -webkit-animation: dots-1 2s infinite steps(1);
}

.a-inspector-loader .dots span:first-child + span {
    animation-name: dots-2;
    -webkit-animation-name: dots-2;
}

.a-inspector-loader .dots span:first-child + span + span {
    animation-name: dots-3;
    /*//第三个点的动画名称 -webkit-animation-name: dots-3;*/
}