.page_key:hover {
	background-color: #5ba2ff;
	transition: all .2s ease-in-out;
}
.sticky-top {
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    z-index: 1!important;
}

/* Загрузка */
.loading {
    display: none;
    width: 100%;
    height: 100%;
    background: #73736F;
    opacity: 0.9;
    position: fixed;
    z-index: 10;
}

.loading>div {
    width: 60px;
    height: 60px;
    position: absolute;
    left: 50%;
    margin-left: -30px;
    top: 50%;
    margin-top: -30px;
}


.loading>div>div {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    background: #fff;
    top: 10px;
    left: 10px;
    transform-origin: 20px 20px;
    border-radius: 8px;
    animation: spin-a 2s infinite cubic-bezier(0.5, 0, 0.5, 1);
}

.loading>div>.c2 {
    top: 10px;
    left: auto;
    right: 10px;
    transform-origin: -4px 20px;
    animation: spin-b 2s infinite cubic-bezier(0.5, 0, 0.5, 1);
}

.loading>div>.c3 {
    top: auto;
    left: auto;
    right: 10px;
    bottom: 10px;
    transform-origin: -4px -4px;
    animation: spin-c 2s infinite cubic-bezier(0.5, 0, 0.5, 1);
}

.loading>div>.c4 {
    top: auto;
    bottom: 10px;
    transform-origin: 20px -4px;
    animation: spin-d 2s infinite cubic-bezier(0.5, 0, 0.5, 1);
}

@keyframes spin-a {
    0% {
        transform: rotate(90deg);
    }

    0% {
        transform: rotate(90deg);
    }

    50% {
        transform: rotate(180deg);
    }

    75% {
        transform: rotate(270deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes spin-b {
    0% {
        transform: rotate(90deg);
    }

    25% {
        transform: rotate(90deg);
    }

    25% {
        transform: rotate(180deg);
    }

    75% {
        transform: rotate(270deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes spin-c {
    0% {
        transform: rotate(90deg);
    }

    25% {
        transform: rotate(90deg);
    }

    50% {
        transform: rotate(180deg);
    }

    50% {
        transform: rotate(270deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes spin-d {
    0% {
        transform: rotate(90deg);
    }

    25% {
        transform: rotate(90deg);
    }

    50% {
        transform: rotate(180deg);
    }

    75% {
        transform: rotate(270deg);
    }

    75% {
        transform: rotate(360deg);
    }

    100% {
        transform: rotate(360deg);
    }
}


.loading>span {
    width: 100px;
    height: 30px;
    position: absolute;
    left: 50%;
    margin-left: -50px;
    top: 50%;
    margin-top: 30px;
    color: #fff;
    font-size: 14px;
    text-align: center;
}

.content {
    padding: 1.5em;
}

/* Загрузка конец */