#slider {
    overflow: hidden;
}

    #slider figure {
        position: relative;
        width: 500%;
        margin: 0;
        left: 0;
        animation: 20s slider infinite;
    }

        #slider figure img {
            float: left;
            width: 20%;
        }

@keyframes slider {
    0% {
        left: 0;
    }

    20% {
        left: 0;
    }

    25% {
        left: -100%;
    }

    45% {
        left: -100%;
    }

    50% {
        left: -200%;
    }

    70% {
        left: -200%;
    }

    75% {
        left: -300%;
    }

    95% {
        left: -300%;
    }

    100% {
        left: -400%;
    }
}




.container_3 {
    width: 950px;
    margin: 50px auto 0px auto;
    text-align: center;
}


.portfolio-effect {
    display: flex;
    justify-content: space-between;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    width: 300px;
    height: 300px;
}

    .portfolio-item img {
        position: absolute;
        top: 50%;
        left: 50%;
        width: auto;
        height: auto;
        min-width: 100%;
        min-height: 100%;
        max-width: 200%;
        max-height: 200%;
        -webkit-transform: translate(-50%, -50%);
        transform: translate(-50%, -50%);
    }

.content-block__effect {
    margin-bottom: 50px;
}

.portfolio-item__info {
    position: absolute;
    top: 7px;
    left: 7px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: calc(100% - 2 * 7px);
    height: calc(100% - 2 * 7px);
    background-color: rgba(225, 225, 225, 0.7);
}

.text_box3 {
    position: absolute;
    margin: 5px;
    align-items: center;
    height: 250px;
    width: 300px;
    overflow: auto;
}




.portfolio-item__header {
    position: relative;
    margin: 0 0 0px 0;
    padding: 15px 0;
    font-size: 22px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

    .portfolio-item__header:after {
        position: absolute;
        left: 0;
        bottom: 0;
        display: block;
        height: 2px;
        width: 100%;
        content: '';
        background-color: #1A4EC0;
    }



.portfolio-item__link {
    transition-property: all;
    transition-duration: 0.2s;
    transition-timing-function: linear;
    transition-delay: 0s;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: #101010;
    text-decoration: none;
    border: 1px solid #101010;
    border-radius: 50%;
}

    .portfolio-item__link:hover {
        color: #fff;
        background-color: #101010;
    }

/*STYLES */
.portfolio-item--eff2 .portfolio-item__info {
    top: -100%;
}

.portfolio-item--eff2 .portfolio-item__header {
    left: -25px;
    opacity: 0;
}

    .portfolio-item--eff2 .portfolio-item__header:after {
        -webkit-transform: scaleX(0);
        transform: scaleX(0);
        -webkit-transform-origin: right center;
        transform-origin: right center;
    }

.portfolio-item--eff2 .portfolio-item__link-block {
    -webkit-transform: scale(1.2);
    transform: scale(1.2);
    opacity: 0;
}

.portfolio-item--eff2:hover .portfolio-item__info {
    transition-property: all;
    transition-duration: 0.35s;
    transition-timing-function: cubic-bezier(0.63, 0.01, 0, 1.39);
    transition-delay: 0s;
    top: 7px;
}

.portfolio-item--eff2:hover .portfolio-item__header {
    transition-property: all;
    transition-duration: 0.2s;
    transition-timing-function: linear;
    transition-delay: 0.35s;
    left: 0;
    opacity: 1;
}

    .portfolio-item--eff2:hover .portfolio-item__header:after {
        transition-property: all;
        transition-duration: 0.2s;
        transition-timing-function: linear;
        transition-delay: 0.6s;
        -webkit-transform: scaleX(1);
        transform: scaleX(1);
    }
.container_5 {
    width: 1045px;
    height: auto;
    margin-top: 20px;
    margin-bottom: 20px;
    margin-left: auto;
    margin-right: auto;
}

.slide_5 {
    width: 144px;
    height: 100px;
    margin-left: 10px;
    margin-right: 10px;
}