BootStrap4

Tutorial

https://www.w3schools.com/bootstrap4/default.asp  

Bootstrap 4 Vertical Center

How to vertically align anything

https://medium.com/wdstack/bootstrap-4-vertical-center-1211448a2eff 

常查Topic：

img 相关：

{% extends 'base.html' %}

{% block title %}
    <title>Bootstrap Exampletitle>
{% endblock title %}

{% block style %}
    <style>
        .row{
            margin:auto;
        }

    style>
{% endblock style %}


{% block main %}

    {% load static %}
    <div class="container">

        <hr>
        <div>
            <div class="col-4 mx-auto">
                <p class="text-center">image paris!p>
                <img class="img-fluid" src="{% static 'paris.jpg'%}" alt=""/>
            div>
        div>

        <hr>
        <div class="row">
            <div class="col-4">
                <p class="text-center">image paris!p>
                <img class="img-fluid rounded" src="{% static 'paris.jpg' %}" alt=""/>
            div>

            <div class="col-4">
                <p class="text-center">image paris!p>
                <img class="img-fluid rounded-circle" src="{% static 'paris.jpg' %}" alt=""/>
            div>

            <div class="col-4">
                <p class="text-center">image paris!p>
                <img class="img-fluid img-thumbnail" src="{% static 'paris.jpg' %}" alt=""/>
            div>


        div>

        <hr>

        <div  class="clearfix">
            <div class="col-4 float-left">
                <p class="text-center">image paris!p>
                <img class="img-fluid img-thumbnail" src="{% static 'paris.jpg' %}" alt=""/>
            div>

            <div class="col-4 float-right">
                <p class="text-center">image paris!p>
                <img class="img-fluid img-thumbnail" src="{% static 'paris.jpg' %}" alt=""/>
            div>
        div>


        <hr>








    div>

{% endblock main %}