<div class="form-bg">
    <div class="container-fluid">
        <div class="row">
            <div class="col-md-6">
                <form>
                    <h1 class="heading">sign up</h1>
                    <div class="form-group">
                        <label class="control-label">First Name</label>
                        <input type="text" class="form-control" placeholder="Lorem">
 
                        <label class="control-label">Email</label>
                        <input type="text" class="form-control" placeholder="Example@EmailAddress.com">
 
                        <label class=" control-label">Password</label>
                        <input type="text" class="form-control" placeholder="8+ Character Password">
 
                        <button type="submit" class="btn btn-default">create your account <i class="fa fa-arrow-circle-right fa-2x"></i></button>
                    </div>
                    <span class="form-footer">already have an account? <a href="#">log in</a></span>
                </form>
            </div>
        </div>
    </div>
</div>

.form-bg{
    background-image: url("../images/img-1.jpg");
    background-size: cover;
    position: relative;
}
.form-bg:before{
    content: "";
    width: 100%;
    height: 100%;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    background: linear-gradient(#2cd0cb,#a280c1);
    opacity: 0.95;
}
form{
    margin: 5% 0;
    font-family: 'Roboto', sans-serif;
}
form .heading{
    font-size: 35px;
    font-weight: bold;
    color: #fff;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-left: -20px;
}
form .form-group{
    padding: 30px;
    border-radius: 5px;
    background: #fff;
    box-shadow: 0 0 3px #bcb4b4;
    position: relative;
}
form .control-label{
    font-size: 18px;
    color: #6e6179;
    letter-spacing: 1px;
}
form .form-control{
    height: 50px;
    font-size: 16px;
    letter-spacing: 1px;
    margin-bottom: 30px;
    border-bottom: 2px solid #8f8597;
    border-radius: 2px;
    opacity: 0.8;
}
form .btn{
    font-size: 17px;
    font-weight: bold;
    color: #fff;
    background: #00d3bf;
    text-transform: uppercase;
    box-shadow: 0 0 8px 0 #a2a2a2;
    border: none;
    border-radius: 50px;
    padding: 12px 60px 12px 15px;
    position: absolute;
    bottom: -6%;
    right: -4%;
    transition: all 0.2s ease 0s;
}
form .btn:hover{
    background: #fff;
    color: #00d3bf;
}
form .btn .fa{
    font-size: 38px;
    position: absolute;
    top: 5px;
    right: 7px;
}
form .form-footer{
    font-size: 14px;
    color: #fff;
    text-transform: capitalize;
    margin-top: 20px;
    display: inline-block;
}
form .form-footer a{
    font-size: 14px;
    color: #fff;
}
form .form-footer a:hover{
    text-decoration: underline;
}
@media screen and (max-width: 990px){
    form .heading{ margin-left: 0; }
    form .btn{ right: -10px; }
    form .btn .fa{
        top: 7px;
        font-size: 35px;
    }
}
@media screen and (max-width: 480px){
    form .heading{
        font-size: 22px;
    }
    form .btn{ padding: 7px 37px 6px 15px; }
    form .btn .fa{ font-size: 24px; }
}