.sobre {
    position: absolute;

    width: 100%;
    height: 105%;
    z-index: 100;
    overflow: hidden;
}

.sobre .first {
    background-color: var(--color-sobre);
    width: 100%;
    height: 50%;
    position: absolute;
    top: 0;
    z-index: 1;
    border-bottom: #b87c7c solid 1px;

}

.sobre .second {
    background-color: var(--color-sobre);
    width: 100%;
    height: 50%;
    position: absolute;
    bottom: 0;
    z-index: 1;
    border-top: #b88585 solid 1px;
}

.sobre button {

    z-index: 2;
    border: none;
    border-radius: 50%;


}

.sello {

    background: var(--color-sobre);
    border: none;

    color: #444;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: .2rem;
    text-align: center;
    outline: none;
    cursor: pointer;
    transition: .2s ease-in-out;
    box-shadow: -6px -6px 14px rgba(255, 192, 192, 0.7),
        -6px -6px 10px rgba(255, 193, 193, 0.5),
        6px 6px 8px rgba(255, 255, 255, .075),
        6px 6px 10px rgba(0, 0, 0, .15);

    position: absolute;
    width: 150px;
    height: 150px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: 2s booms infinite;
}

.sello :hover {
    box-shadow: -2px -2px 6px rgba(255, 200, 200, 0.6),
        -2px -2px 4px rgba(255, 255, 255, .4),
        2px 2px 2px rgba(255, 255, 255, .05),
        2px 2px 4px rgba(0, 0, 0, .1);
}

.sello :active {
    box-shadow: inset -2px -2px 6px rgba(255, 255, 255, .7),
        inset -2px -2px 4px rgba(255, 255, 255, .5),
        inset 2px 2px 2px rgba(255, 255, 255, .075),
        inset 2px 2px 4px rgba(0, 0, 0, .15);
}

.up_1 {
    /* animation: 3s up forwards; */
    -webkit-animation-duration: 3s;
    -webkit-animation-name: up;
    -webkit-animation-fill-mode: forwards;
}

.down_1 {
    /* animation: 3s down forwards; */
    -webkit-animation-duration: 3s;
    -webkit-animation-name: down;
    -webkit-animation-fill-mode: forwards;
}

.button_hiden {
    /* animation: 3s hiden forwards; */
    -webkit-animation-duration: 3s;
    -webkit-animation-name: hiden;
    -webkit-animation-fill-mode: forwards;

}

.sobre_hiden {
    /* animation: 3s hiden forwards; */
    -webkit-animation-duration: 3s;
    -webkit-animation-name: hiden;
    -webkit-animation-fill-mode: forwards;
}

@keyframes booms {
    0% {
        transform: scale(1) translate(-50%, -50%);
    }

    50% {
        transform: scale(1.1) translate(-50%, -50%);
    }

    100% {
        transform: scale(1) translate(-50%, -50%);
    }
}

@keyframes hiden {
    0% {
        opacity: 1;
    }

    99% {
        opacity: 0;
    }

    100% {
        display: none;
    }
}

@keyframes up {
    0% {
        transform: translateY(0%);
    }

    99% {
        transform: translateY(-100%);


    }

    100% {
        display: none;
    }
}

@keyframes down {
    0% {
        transform: translateY(0%);
    }

    99% {
        transform: translateY(100%);


    }

    100% {
        display: none;
    }
}