body {
    position: absolute;
    overflow: scroll;
    overflow-x: hidden;
    /* 取消x轴拖动 */
}

div {
    animation: moveTop 2s 3;
}

.nb {
    float: right;
}

::selection {
    background: rgba(0, 0, 0, 0);
    color: #000;
}

::-moz-selection {
    background: rgba(0, 0, 0, 0);
    color: #000;
}

.carousel-inner img {
    /* 轮播图片大小 */
    width: 100%;
    height: 100%;
}

.center-vertical {
    /* 垂直居中 */
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

.icon-m {
    /* 大型Icon图片 */
    font-size: 48px;
}

.opa {
    /* 透明 */
    position: absolute;
    z-index: 999;
    background: rgba(255, 255, 255, 0.7);
}

.mx-auto {
    text-align: center;
}

.mx-right {
    text-align: right;
}

strong {
    font-size: 120%;
}

.vertical {
    vertical-align: middle;
}

.back {
    /* 背景色 */
    background-color: rgba(0, 0, 0, 0.5);
}

.gray-back {
    background-color: rgba(179, 179, 179, 0.568);
}

.black-text {
    color: rgb(44, 44, 44) !important;
}

body {
    color: #3a4550;
    font-size: 80%;
}

.atext {
    font-size: 120%;
    color: rgb(16, 94, 143);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 150%;
}

.text {
    animation: change 10s linear 0s infinite;
    font-weight: 700;
}

@keyframes change {
    0% {
        color: rgb(255, 255, 255);
    }
    25% {
        color: rgb(0, 0, 0);
    }
    50% {
        color: rgb(255, 255, 255);
    }
    75% {
        color: rgb(0, 0, 0);
    }
    100% {
        color: rgb(255, 255, 255);
    }
}

.draggable {
    float: left;
    padding: 0.5em;
}