bootstrap change input colors code example

Example 1: how to change the color of a bootstrap button

.btn-default
 
{
 
background-color: #68889E;
 
color:#FFF;
 
border-color: #2F3E48;
 
}
 
.btn-default:hover, .btn-default:focus, .btn-default:active, .btn-default.active, .open .dropdown-toggle.btn-default {
 
 
 
background-color: #2F3E48;
 
color:#FFF;
 
border-color: #31347B;
 
}

Example 2: mdbootstrap input color

input[type=date]:focus:not([readonly]), input[type=datetime-local]:focus:not([readonly]), input[type=email]:focus:not([readonly]), input[type=number]:focus:not([readonly]), input[type=password]:focus:not([readonly]), input[type=search-md]:focus:not([readonly]), input[type=search]:focus:not([readonly]), input[type=tel]:focus:not([readonly]), input[type=text]:focus:not([readonly]), input[type=time]:focus:not([readonly]), input[type=url]:focus:not([readonly]), textarea.md-textarea:focus:not([readonly]) {
    border-bottom: 1px solid #4285F4;
    box-shadow: 0 1px 0 0 #4285F4;
}