一：  二：        .loading {       text-transform: uppercase;       font-family: 'Cabin Condensed', sans-serif;       font-weight: bold;       font-size: 50px;       text-align: center;       height: 120px;       line-height: 110px;       vertical-align: bottom;       position: absolute;       left: 0;       right: 0;       top: 260px;       bottom: 0;       display: block;     }     @keyframes wave-animation {       0% {         background-position: 0 bottom;       }       100% {         background-position: 200px bottom;       }     }     @keyframes loading-animation {       0% {         background-size: 200px 0px;       }       100% {         background-size: 200px 200px;       }     }     .wave {       background-image: url("./img/wave.png");       background-clip: text;       color: transparent;       text-shadow: 0px 0px rgba(255, 255, 255, 0.06);       animation: wave-animation 1s infinite linear, loading-animation 10s infinite linear alternate;       background-size: 200px 100px;       background-repeat: repeat-x;       opacity: 1;     }