#splash {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #171717 url(./splashbg.c650d.jpg) no-repeat center;
  background-size: 100%  100%;
}

.progress-bar {
    background-color: #444444;
    position: absolute;
    left: 50%;
    transform: translateX(-50%); /* 向左移动自身宽度的一半，实现居中 */
    top: 80%;
    height: 10px;
    padding: 2px;
    width: 70%;
    /*margin: 0 -175px;         */
    border-radius: 5px;
    box-shadow: 0 1px 5px #000 inset, 0 1px 0 #444;           
}

.progress-bar span {
    display: block;
    height: 100%;
    border-radius: 3px;
    box-shadow: 0 1px 0 rgba(255, 255, 255, .5) inset;
    transition: width .4s ease-in-out; 
    background-color: #2979ff;    
}

.stripes span {
    background-size: 30px 30px;
    background-image: linear-gradient(135deg, rgba(255, 255, 255, .15) 25%, transparent 25%,
                        transparent 50%, rgba(255, 255, 255, .15) 50%, rgba(255, 255, 255, .15) 75%,
                        transparent 75%, transparent);            
    
    animation: animate-stripes 1s linear infinite;             
}

@keyframes animate-stripes {
    0% {background-position: 0 0;} 100% {background-position: 60px 0;}
}