.cntr {
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}

.upload {
    display: block;
    width: 50px;
    height: 60px;
    margin-top: 10px;
    border-radius: 4px;
    background: #387aa5;
    cursor: pointer;
    box-shadow: 0px 10px 15px rgba(0, 0, 0, 0.182);
}

.upload:after {
    content: '';
    position: absolute;
    display: block;
    top: 0px;
    right: 0px;
    width: 0px;
    height: 0px;
    border-radius: 0px 2px 0px 2px;
    background: -webkit-linear-gradient(45deg, #1d4b69 50%, #f3f3f4 50%);
    background: -moz-linear-gradient(45deg, #1d4b69 50%, #f3f3f4 50%);
    background: -o-linear-gradient(45deg, #1d4b69 50%, #f3f3f4 50%);
    background: -ms-linear-gradient(45deg, #1d4b69 50%, #f3f3f4 50%);
    background: linear-gradient(45deg, #1d4b69 50%, #f3f3f4 50%);
    -webkit-transition: all 0.2s linear;
    -moz-transition: all 0.2s linear;
    -o-transition: all 0.2s linear;
    -ms-transition: all 0.2s linear;
    transition: all 0.2s linear;
    box-shadow: 0px 20px 59px -13px rgba(0, 0, 0, 0.52);
}

.upload i {
    width: 2px;
    height: 14px;
    background: #fff;
    display: block;
    border-radius: 2px;
    margin-top: -7px;
    -webkit-transition: all 150ms linear;
    -moz-transition: all 150ms linear;
    -o-transition: all 150ms linear;
    -ms-transition: all 150ms linear;
    transition: all 150ms linear;
}

.upload i:before,
.upload i:after {
    content: '';
    position: absolute;
    display: block;
    width: 2px;
    height: 8px;
    margin-top: 8px;
    background: #fff;
    border-radius: 2px;
    -webkit-transition: all 150ms linear;
    -moz-transition: all 150ms linear;
    -o-transition: all 150ms linear;
    -ms-transition: all 150ms linear;
    transition: all 150ms linear;
}

.upload i:before {
    -webkit-transform: rotate(-45deg) translateX(-3px);
    -moz-transform: rotate(-45deg) translateX(-3px);
    -o-transform: rotate(-45deg) translateX(-3px);
    -ms-transform: rotate(-45deg) translateX(-3px);
    transform: rotate(-45deg) translateX(-3px);
}

.upload i:after {
    -webkit-transform: rotate(45deg) translateX(3px);
    -moz-transform: rotate(45deg) translateX(3px);
    -o-transform: rotate(45deg) translateX(3px);
    -ms-transform: rotate(45deg) translateX(3px);
    transform: rotate(45deg) translateX(3px);
}

.upload:hover i {
    height: 18px;
}

.upload:hover:after {
    width: 12px;
    height: 12px;
}

.texto {
    font-size: 12px;
    color: #fff;
    text-align: center;
    margin-top: 38px
}
@media (min-width: 300px) and (max-width: 600px) {

    .upload {
        display: block;
        width: 50px;
        height: 40px;
        margin-top: 30px;
        border-radius: 2px;
        background: #8ACDD8;
        cursor: pointer;
        box-shadow: 0px 20px 59px -13px rgba(0, 0, 0, 0.52);
    }
    .texto {
        font-size: 11px;
        color: #fff;
        text-align: center;
        margin-top: 22px
    }
}