Error: Failed to resolve: com.android.support:cardview-v7:23.4.0

I was trying to compile the app but these errors showed up what should I do?

Error:Failed to resolve: com.android.support:cardview-v7:23.4.0 Error:Failed to resolve: com.android.support:support-v4:23.4.0 Error:Failed to resolve: com.android.support:customtabs:23.4.0

The source code is

apply plugin: 'com.android.application'
android 
{
    signingConfigs {}
    compileSdkVersion  21
    buildToolsVersion '21.1.2'
    defaultConfig 
    {
        applicationId "com.boonex.oo"
        minSdkVersion 15
        targetSdkVersion 21
    }
    buildTypes 
    {
        release 
        {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
        }
    } 
}

repositories 
{
    jcenter() 
}

dependencies 
{
    compile 'com.facebook.android:facebook-android-sdk:4.+'
    compile 'com.google.android.gms:play-services-maps:8.4.0'
    compile 'com.android.support:support-v4:23.1.1' 
}