.cont_scroll a {
    position: absolute;
    bottom: 20px;
    left: 50%;
    z-index: 2;
    display: inline-block;
    -webkit-transform: translate(0, -50%);
    transform: translate(0, -50%);
    color: #fff;
    font: normal 400 20px/1 'Josefin Sans', sans-serif;
    letter-spacing: .1em;
    text-decoration: none;
    transition: opacity .3s;
}

    .cont_scroll a:hover {
        opacity: .6;
    }

#section_scroll a {
    padding-top: 60px;
    font-weight: 700;
    text-shadow: 1px 2px 10px #ffffff;
}

    #section_scroll a span {
        position: absolute;
        top: 0;
        left: 50%;
        width: 30px;
        height: 50px;
        margin-left: -15px;
        border: 4px solid #0059c3;
        border-radius: 50px;
        box-sizing: border-box;
    }

        #section_scroll a span::before {
            position: absolute;
            top: 10px;
            left: 42%;
            content: '';
            width: 10px;
            height: 10px;
            margin-left: -3px;
            background-color: #0059c3;
            border-radius: 100%;
            -webkit-animation: sdb10 2s infinite;
            animation: sdb10 2s infinite;
            box-sizing: border-box;
        }

@-webkit-keyframes sdb10 {
    0% {
        -webkit-transform: translate(0, 0);
        opacity: 0;
    }

    40% {
        opacity: 1;
    }

    80% {
        -webkit-transform: translate(0, 20px);
        opacity: 0;
    }

    100% {
        opacity: 0;
    }
}

@keyframes sdb10 {
    0% {
        transform: translate(0, 0);
        opacity: 0;
    }

    40% {
        opacity: 1;
    }

    80% {
        transform: translate(0, 20px);
        opacity: 0;
    }

    100% {
        opacity: 0;
    }
}