body {
   /* font-family: 'Arial';*/
   /* color: #333;*/
   /* background-color: #F2F2F2;*/
    /*margin: 0 auto;*/
}
.contenedor {
    width: 100%;
    display: flex;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -ms-align-items: center;
        align-items: center;
    justify-content: center;
    min-height: 100vh;

}

.btn_reaccion {
    display: inline-flex;
    -webkit-flex-wrap: wrap;
        -ms-flex-wrap: wrap;
         -o-flex-wrap: wrap;
            flex-wrap: wrap;
    -ms-align-items: center;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 10px 20px;
    border: none;


    cursor: pointer;
}
.btn_reaccion > span {

}

.btn_reaccion .reacciones {
    display: flex;
    position: absolute;
    bottom: calc(100% + 10px);
    background-color: #D4E4FF;
    padding: 5px;
    border-radius: 5rem;
    opacity: 0;
    visibility: hidden;
    -webkit-transition: all 200ms ease-in;
         -o-transition: all 200ms ease-in;
            transition: all 200ms ease-in;
    -webkit-transform: translateY(15px);
       -moz-transform: translateY(15px);
        -ms-transform: translateY(15px);
         -o-transform: translateY(15px);
            transform: translateY(15px);
}
.btn_reaccion:hover .reacciones {
    opacity: 1;
    visibility: visible;
    -webkit-transform: translateY(0);
       -moz-transform: translateY(0);
        -ms-transform: translateY(0);
         -o-transform: translateY(0);
            transform: translateY(0);
}
.btn_reaccion .reacciones::before {
    content: '';
    display: block;
    border-style: solid;
    border-color: transparent;
    border-width: 12px 12px 12px 12px;
    border-top-color: #D4E4FF;
    position: absolute;
    bottom: -24px;
    left: calc(50% - 12px);
}

.btn_reaccion .reaccion {
    display: flex;
    -ms-align-items: center;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background-color: #fff;
    border-radius: 5rem;
    -webkit-transition: all 200ms ease-in;
         -o-transition: all 200ms ease-in;
            transition: all 200ms ease-in;
}
.btn_reaccion .reaccion + .reaccion {
    margin-left: 5px;
}
.btn_reaccion .reaccion i {
    font-size: 1.3rem;
}
.btn_reaccion .reaccion > span {
    display: block;
    width: auto;
    font-size: .9em;
    position: absolute;
    top: -1.5rem;
    font-weight: bold;
    -ms-text-overflow: ellipsis;
    text-overflow: ellipsis;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    color: #333;
    -webkit-transition: all 200ms ease-in;
         -o-transition: all 200ms ease-in;
            transition: all 200ms ease-in;
    -webkit-transform: translateY(15px);
       -moz-transform: translateY(15px);
        -ms-transform: translateY(15px);
         -o-transform: translateY(15px);
            transform: translateY(15px);
}
.btn_reaccion .reaccion:nth-child(1):hover > span,
.btn_reaccion .reaccion:nth-child(2):hover > span,
.btn_reaccion .reaccion:nth-child(3):hover > span,
.btn_reaccion .reaccion:nth-child(4):hover > span,
.btn_reaccion .reaccion:nth-child(5):hover > span {
    opacity: 1;
    visibility: visible;
    -webkit-transform: translateY(0);
       -moz-transform: translateY(0);
        -ms-transform: translateY(0);
         -o-transform: translateY(0);
            transform: translateY(0);
}
.btn_reaccion .reaccion:nth-child(1):hover {
     background-color: #4E88FF;
     color: #fff;


}
.btn_reaccion .reaccion:nth-child(2):hover {
    background-color: #FF3D3D;
    color: #fff;
}
.btn_reaccion .reaccion:nth-child(3):hover {
    background-color: #FF7D3D;
    color: #fff;
}
.btn_reaccion .reaccion:nth-child(4):hover {
    background-color: #A63DFF;
    color: #fff;
}
.btn_reaccion .reaccion:nth-child(5):hover {
    background-color: #FF3D3D;
    color: #fff;
}

/* animacion salto */
.btn_reaccion .reaccion:hover {
    -webkit-animation-duration: 500ms;
         -o-animation-duration: 500ms;
            animation-duration: 500ms;
    -webkit-animation-timing-function: ease-out;
         -o-animation-timing-function: ease-out;
            animation-timing-function: ease-out;
    -webkit-animation-name: saltar;
         -o-animation-name: saltar;
            animation-name: saltar;
}
@keyframes saltar {
    from {
        -webkit-transform: translateY(0);
        -ms-transform: translateY(0);
        -o-transform: translateY(0);
        transform: translateY(0);
    }
    50% {
        -webkit-transform: translateY(-15px);
        -ms-transform: translateY(-15px);
        -o-transform: translateY(-15px);
        transform: translateY(-15px);
    }
    to {
        -webkit-transform: translateY(0);
        -ms-transform: translateY(0);
        -o-transform: translateY(0);
        transform: translateY(0);
    }
}