body{
    margin: 0;
    padding: 0;
    font-family: 'Montserrat', sans-serif;
    background-image: linear-gradient(to right,#0988e8,#01298f);
    height: 100vh;
    overflow: hidden;
}
#backVideo{
    position: absolute;
    right: 0;
    bottom: 0;
    /* display: none; */
}
@media(min-aspect-ratio:16/9){
    #backVideo{
        width: 100%;
        height: auto;
    }
}
@media(max-aspect-ratio:16/9){
    #backVideo{
        width: auto;
        height: 100%;
    }
}
.center{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) ;
    width: 400px;
    background: white;
    opacity: 0.89;
    border-radius: 5px;
}
.center h1{
    text-align: center;
    font-weight: 500;
    text-transform: uppercase;
    padding: 0 0 20px 0;
    border-bottom: 1px solid silver;
}
.center form{
    padding: 0 40px;
    box-sizing: border-box;
}
form .txt_field{
    position: relative;
    border-bottom: 2px solid #adadad;
    margin: 30px 0;
}
.txt_field input{
    width: 100%;
    padding: 0 5px;
    height: 40px;
    font-size: 16px;
    border: none;
    background: none;
    outline: none;
}
.txt_field label{
    position: absolute;
    top: 50%;
    left: 5px;
    color: #adadad;
    transform: translateY(-50%);
    font-size: 16px;
    pointer-events: none;
    transition: .5s;
}
.txt_field span::before{
    content: '';
    position: absolute;
    top: 40px;
    left: 0;
    width: 0%;
    height: 2px;
    background: #2691d9 ;
    transition: .5s;
}
.txt_field input:focus ~label,
.txt_field input:valid ~label{
   top:-5px ;
   color: #2691d9;
}
.txt_field input:focus ~span::before,
.txt_field input:valid ~span::before{
    width :100%;
}
.pass{
    margin: -5px 0 20px 5px;
    color: #a6a6a6;
    cursor: pointer;
}
.pass:hover{
    text-decoration: underline ;
}
input[type="submit"]{
    width: 100%;
    height: 50px;
    border: 1px solid;
    background-color: #005691;
    /* background:linear-gradient(to right,#0988e8,#01298f); */
    border-radius: 5px;
    font-size: 18px;
    color: #e9f4fb;
    font-weight: 700;
    cursor: pointer;
    outline: none;
}
input[type="submit"]:hover{
    border-color:linear-gradient(to right,#0988e8,#01298f);
    transition: .5s;
}
.signup_link{
    margin : 30px 0;
    text-align: center;
    font-size: 16px;
    color: #666666;
}
.signup_link a{
    color: #2691d9;
    text-decoration: none;
}
.signup_link a:hover{
    text-decoration: underline;
}