/*
Theme Name:   	Storefront Child Theme
Theme URI:    	#
Author:       	Thach Pham
Author URI:     http://thachpham.com
Template:     	storefront
Description:  	Một child theme trống hoàn toàn dành cho Storefront, dùng để tùy biến lại theme storefront mà không bị mất khi update
Version:      	1.0.0
License:      	GNU General Public License v2 or later
License URI:  	http://www.gnu.org/licenses/gpl-2.0.html
Text Domain:  	storefront
*/
#billing_city_field,#shipping_city_field {
 float: none;
 width: 100%;
}
<style>
    .social-button{
      display: inline-grid;
        position: fixed;
        bottom: 15px;
        left: 45px;
        min-width: 45px;
        text-align: center;
        z-index: 99999;
    }
    .social-button-content{
      display: inline-grid;   
    }
    .social-button a {padding:8px 0;cursor: pointer;position: relative;}
    .social-button i{
      width: 40px;
        height: 40px;
        background: #43a1f3;
        color: #fff;
        border-radius: 100%;
        font-size: 20px;
        text-align: center;
        line-height: 1.9;
        position: relative;
        z-index: 999;
    }
    .social-button span{
      display: none;
    }
    .alo-circle {
        animation-iteration-count: infinite;
        animation-duration: 1s;
        animation-fill-mode: both;
        animation-name: zoomIn;
        width: 50px;
        height: 50px;
        top: 3px;
        right: -3px;
        position: absolute;
        background-color: transparent;
        -webkit-border-radius: 100%;
        -moz-border-radius: 100%;
        border-radius: 100%;
        border: 2px solid rgba(30, 30, 30, 0.4);
        opacity: .1;
        border-color: #0089B9;
        opacity: .5;
    }
    .alo-circle-fill {
      animation-iteration-count: infinite;
      animation-duration: 1s;
      animation-fill-mode: both;
      animation-name: pulse;
        width: 60px;
        height: 60px;
        top: -2px;
        right: -8px;
        position: absolute;
        -webkit-transition: all 0.2s ease-in-out;
        -moz-transition: all 0.2s ease-in-out;
        -ms-transition: all 0.2s ease-in-out;
        -o-transition: all 0.2s ease-in-out;
        transition: all 0.2s ease-in-out;
        -webkit-border-radius: 100%;
        -moz-border-radius: 100%;
        border-radius: 100%;
        border: 2px solid transparent;
        background-color: rgba(0, 175, 242, 0.5);
        opacity: .75;
    }
    .call-icon:hover > span, .mes:hover > span, .sms:hover > span, .zalo:hover > span{display: block}
    .social-button a span {
        border-radius: 2px;
        text-align: center;
        background: rgb(103, 182, 52);
        padding: 9px;
        display: none;
        width: 180px;
        margin-left: 10px;
        position: absolute;
        color: #ffffff;
        z-index: 999;
        top: 9px;
        left: 40px;
        transition: all 0.2s ease-in-out 0s;
        -moz-animation: headerAnimation 0.7s 1;
        -webkit-animation: headerAnimation 0.7s 1;
        -o-animation: headerAnimation 0.7s 1;
        animation: headerAnimation 0.7s 1;
    }
    @-webkit-keyframes "headerAnimation" {
        0% { margin-top: -70px; }
        100% { margin-top: 0; }
    }
    @keyframes "headerAnimation" {
        0% { margin-top: -70px; }
        100% { margin-top: 0; }
    }
    .social-button a span:before {
      content: "";
      width: 0;
      height: 0;
      border-style: solid;
      border-width: 10px 10px 10px 0;
      border-color: transparent rgb(103, 182, 52) transparent transparent;
      position: absolute;
      left: -10px;
      top: 10px;
    }
  </style>