wordpress子比主题logo扫光效果

css代码示例：

/* logo 扫光开始 */
.navbar-brand {
    position: relative;
    overflow: hidden;
    margin: 0px 0 0 0px;
}

.navbar-brand:before {
    content: "";
    position: absolute;
    left: -665px;
    top: -460px;
    width: 200px;
    height: 15px;
    background-color: rgba(255, 255, 255, .5);
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    -ms-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    transform: rotate(-45deg);
    -webkit-animation: searchLights 6s ease-in 0s infinite;
    -o-animation: searchLights 6s ease-in 0s infinite;
    animation: searchLights 6s ease-in 0s infinite;
}

@-moz-keyframes searchLights {
    50% {
        left: -100px;
        top: 0;
    }

    65% {
        left: 120px;
        top: 100px;
    }
}

@keyframes searchLights {
    40% {
        left: -100px;
        top: 0;
    }

    60% {
        left: 120px;
        top: 100px;
    }

    80% {
        left: -100px;
        top: 0px;
    }
}

/* logo 扫光结束 */