style.css

body {
  //background-image: url("herbs.jpg"); no-repeat center center fixed; 
  background-color: darkseagreen;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

input[type=button], input[type=submit], input[type=reset] {
  background-color: #04AA6D;
  //border: none;
  color: white;
  padding: 10px 16px;
  text-decoration: none;
  margin: 10px 8px;
  cursor: pointer;
  border-radius: 50px;
}

div {text-align: center;}
.form-signin {
   max-width: 330px;
   padding: 15px;
   margin: 0 auto;
}

.form-signin .form-signin-heading,
.form-signin .checkbox {
   margin-bottom: 10px;
}

.form-signin .checkbox {
   font-weight: normal;
}

.form-signin .form-control {
   position: relative;
   height: auto;
   -webkit-box-sizing: border-box;
   -moz-box-sizing: border-box;
   box-sizing: border-box;
   padding: 10px;
   font-size: 16px;
   border-radius: 100px;
}

.form-signin .form-control:focus {
   z-index: 2;
}

.form-signin input[type="email"] {
   margin: 10px 10px 10px 10px;

}

.form-signin input[type="password"] {
   //margin: 10px 10px 10px 10px;

}
table
{
border-style:solid;
border-width:2px;
border-color:green;
margin-left: auto;
margin-right: auto;
}
.reg{
    
    margin: 5px 0;
}
p a{
    text-decoration-color:none;
}
h1 {text-align: center;background: rgba(76, 175, 80, 0.9);color: black;}
h3 {text-align: center;margin 0 auto;}
h4 {text-align: left;}
p {text-align: center; color: white}
c {background: rgba(76, 175, 80, 0.4);font-size: 20px;}
div {text-align: center;}
brdr {border: 3px solid;}
.login-form {background: rgba(0,0,0,0.6); border-radius: 10px; margin-top:10%;}
.column {
  float: left;
  width: 24%;
  margin: 40px;
}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}