.ibtn.back {
    display: block;
    text-decoration: none;
    background: none;
    height: 30px;
    max-width: 100px;
    line-height: 30px;
    letter-spacing: 0.1em;
    text-indent: inherit;
    margin: 0px auto;
    text-align: center;
    border-radius: 40px;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    font-family: 'Crimson Text', sans-serif;
    font-size: 16px;
    color: #fff;
    -webkit-transition: all .3s ease-in-out;
    transition: all .3s ease-in-out;
    position: relative;
    z-index: 5;
    background: -webkit-gradient(linear, left top, right top, from(#487051), color-stop(#66976e), color-stop(#487051), color-stop(#66976e), to(#487051));
    background: linear-gradient(to right, #487051, #66976e, #487051, #66976e, #487051);
    background-size: 400%;
}

    .ibtn.back:hover {
        -webkit-animation: grahover 4s linear infinite;
        animation: grahover 4s linear infinite;
    }

@-webkit-keyframes grahover {
    0% {
        background-position: 0% 50%
    }

    50% {
        background-position: 100% 50%
    }

    100% {
        background-position: 0% 50%
    }
}

@keyframes grahover {
    0% {
        background-position: 0% 50%
    }

    50% {
        background-position: 100% 50%
    }

    100% {
        background-position: 0% 50%
    }
}
.date {
    display: block;
    border: 2px solid #fff;
    width: 104px;
    margin: 15px auto 0;
    color: #211813;
    font-size: 14px;
    line-height: 26px;
    border-radius: 30px;
    padding: 5px 8px;
}

.newstext {
    font-size: 16px;
    font-weight: bold;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-clamp: 2;
}

.box:hover .date {
    border: 2px solid #e5894d;
    color: #66976e;
}

.box:hover .newstext {
    color: #66976e;
}