* {
    margin: 0px auto;
    padding: 0px;
    text-align: center;
    font-family: 'Lato', sans-serif;
}

.cotn_principal {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    overflow: hidden;
}

.cotn_principal-line1,
.cotn_principal-line2,
.cotn_principal-line3 {
    position: absolute;
    top: 0;
    content: "";
    height: 100vh;
    width: 33vw;
    box-shadow: 5px 0 10px -5px #333333;
    transform: skewX(315deg);
}

.cotn_principal-line1 {
    left: 0;
    z-index: 2;
    background-color: #7f67e8;
}

.cotn_principal-line2 {
    left: 33vw;
    z-index: 1;
    background-color: #69d9f8;
}

.cotn_principal-line3 {
    left: 66vw;
    z-index: 0;
    background-color: #fe9f9b;
}

.cont_centrar {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100vw;
    height: 100vh;
}

.cont_login {
    position: relative;
    width: 500px;
    z-index: 999;
}

.cont_back_info {
    position: relative;
    float: left;
    width: 640px;
    height: 280px;
    overflow: hidden;
    background-color: #fff;
    margin-top: 100px;
    box-shadow: 1px 10px 30px -10px rgba(0, 0, 0, 0.5);
}

.cont_forms {
    position: relative;
    overflow: hidden;
    background-color: #ffffff;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
    z-index: 9;
}

.cont_forms_active_login {
    box-shadow: 1px 10px 30px -10px rgba(0, 0, 0, 0.5);
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;

}

.cont_forms_active_sign_up {
    box-shadow: 1px 10px 30px -10px rgba(0, 0, 0, 0.5);
    height: 430px;
    top: 20px;
    left: 320px;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
}

.cont_img_back_grey {
    position: absolute;
    width: 950px;
    top: -80px;
    left: -116px;
}

.cont_img_back_grey>img {
    width: 100%;
    -webkit-filter: grayscale(100%);
    filter: grayscale(100%);
    opacity: 0.2;
    animation-name: animar_fondo;
    animation-duration: 20s;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    animation-direction: alternate;

}

.cont_img_back_ {
    position: absolute;
    width: 950px;
    top: -80px;
    left: -116px;
}

.cont_img_back_>img {
    width: 100%;
    opacity: 0.3;
    animation-name: animar_fondo;
    animation-duration: 20s;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    animation-direction: alternate;
}

.cont_forms_active_login>.cont_img_back_ {
    top: 0px;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
}

.cont_forms_active_sign_up>.cont_img_back_ {
    top: 0px;
    left: -435px;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
}


.cont_info_log_sign_up {
    position: absolute;
    width: 640px;
    height: 280px;
    top: 100px;
    z-index: 1;
}

.col_md_login {
    position: relative;
    float: left;
    width: 50%;
}

.col_md_login>h2 {
    font-weight: 400;
    margin-top: 70px;
    color: #757575;
}

.col_md_login>p {
    font-weight: 400;
    margin-top: 15px;
    width: 80%;
    color: #37474F;
}

.btn_login {
    background-color: #82b2c9;
    border: none;
    padding: 10px;
    width: 200px;
    border-radius: 3px;
    box-shadow: 1px 5px 20px -5px rgba(0, 0, 0, 0.4);
    color: #fff;
    margin-top: 20px;
    cursor: pointer;
}

.col_md_sign_up {
    position: relative;
    float: left;
    width: 50%;
}

.cont_ba_opcitiy>h2 {
    font-weight: 400;
    color: #fff;
}

.cont_ba_opcitiy>p {
    font-weight: 400;
    margin-top: 15px;
    color: #fff;
}

/* ----------------------------------
background text    
------------------------------------
 */
.cont_ba_opcitiy {
    position: relative;
    background-color: rgba(187, 168, 170, 0.79);
    width: 80%;
    border-radius: 3px;
    margin-top: 60px;
    padding: 15px 0px;
}

.btn_sign_up {
    background-color: #f44336;
    border: none;
    padding: 10px;
    width: 200px;
    border-radius: 3px;
    box-shadow: 1px 5px 20px -5px rgba(0, 0, 0, 0.4);
    color: #fff;
    margin-top: 10px;
    cursor: pointer;
}

.cont_forms_active_sign_up {
    z-index: 2;
}


@-webkit-keyframes animar_fondo {
    from {
        -webkit-transform: scale(1) translate(0px);
        -moz-transform: scale(1) translate(0px);
        -ms-transform: scale(1) translate(0px);
        -o-transform: scale(1) translate(0px);
        transform: scale(1) translate(0px);
    }

    to {
        -webkit-transform: scale(1.5) translate(50px);
        -moz-transform: scale(1.5) translate(50px);
        -ms-transform: scale(1.5) translate(50px);
        -o-transform: scale(1.5) translate(50px);
        transform: scale(1.5) translate(50px);
    }
}

@-o-keyframes identifier {
    from {
        -webkit-transform: scale(1);
        -moz-transform: scale(1);
        -ms-transform: scale(1);
        -o-transform: scale(1);
        transform: scale(1);
    }

    to {
        -webkit-transform: scale(1.5);
        -moz-transform: scale(1.5);
        -ms-transform: scale(1.5);
        -o-transform: scale(1.5);
        transform: scale(1.5);
    }

}

@-moz-keyframes identifier {
    from {
        -webkit-transform: scale(1);
        -moz-transform: scale(1);
        -ms-transform: scale(1);
        -o-transform: scale(1);
        transform: scale(1);
    }

    to {
        -webkit-transform: scale(1.5);
        -moz-transform: scale(1.5);
        -ms-transform: scale(1.5);
        -o-transform: scale(1.5);
        transform: scale(1.5);
    }

}

@keyframes identifier {
    from {
        -webkit-transform: scale(1);
        -moz-transform: scale(1);
        -ms-transform: scale(1);
        -o-transform: scale(1);
        transform: scale(1);
    }

    to {
        -webkit-transform: scale(1.5);
        -moz-transform: scale(1.5);
        -ms-transform: scale(1.5);
        -o-transform: scale(1.5);
        transform: scale(1.5);
    }
}

.cont_form_login {
    width: 500px;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
}

.cont_forms_active_login {
    z-index: 2;
}

.cont_forms_active_login>.cont_form_login {}

.cont_form_sign_up {
    position: absolute;
    width: 320px;
    float: left;
    opacity: 0;
    display: none;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
}


.cont_form_sign_up>input {
    text-align: left;
    padding: 15px 5px;
    margin-left: 10px;
    margin-top: 20px;
    width: 260px;
    border: none;
    color: #757575;
}

.cont_form_sign_up>h2 {
    margin-top: 50px;
    font-weight: 400;
    color: #757575;
}
.cont_form_login{
    padding: 40px;
}

.cont_form_login>.layout>input {
    padding: 11px 12px;
    width: 100%;
    border: 1px solid transparent;
    text-align: left;
    color: #318cb9;
    font-size: 14px;
    border-radius: 3px;
    outline: none;
    background-color: #f0f0f0;
}

input:focus {
    border: 1px solid #4bbff9;
}

.cont_form_login>h2 {
    margin-top: 110px;
    font-weight: 400;
    color: #757575;
}

.cont_form_login>a,
.cont_form_sign_up>a {
    color: #757575;
    position: relative;
    float: left;
    margin: 10px;
    margin-left: 30px;
}

.cont_form_login .forget {
    margin-left: 126px;
    padding: 5px;
}

.cont_form_login .forget:hover {
    color: #fff;
}

.alert-danger {
    position: absolute;
    display: block;
    width: 90%;
    margin-top: 10%;
    margin-left: 5%;
    text-align: left;
}