.carrerのtextのfont-sizeが反映させたい

前提・実現したいこと

表題の通り、.carrer_txtの中のfont-sizeを大きくさせたい(2.0rem以上)

発生している問題・エラーメッセージ

.carrerの経歴や年生まれなどのfont-sizeが反映されない

試したこと

Googleツールで確認し、様々な原因を確認しました。(※class名や　> p の使い方)
しかしながら、反映されないので、今回質問しました。

該当のソースコード

HTML
1<!DOCTYPE html>
2<html>
3<head>
4	<title></title>
5    <link rel="stylesheet" href="css/style.css">
6</head>
7<body>
8	<section class="about" id="about">
9		<div class="inner">
10			<h2 class="about-ttl ttl-adjust">about</h2><!-- /.about-ttl -->
11			<div class="about-flex">
12				<div class="about-img aos-init aos-animate" data-aos="fade-left"><img alt="について" src="./asserts/img/about/me.png"></div><!-- /.about-img -->
13				<div class="about-txt aos-init aos-animate" data-aos="fade-right">
14					<h3>TAKE</h3>
15					<div class="about-desc">
16						<div class="carrer">
17							<div class="history">
18								経歴
19							</div><!-- /history --><br>
20							<div class="carrer_txt">
21								<p class="cmn-carrer_txt">年生まれ</p><br>
22								<p class="cmn-carrer_txt">年大学卒業</p><br>
23								<p class="cmn-carrer_txt">年～ 万利益kakutoku。</p>
24							</div><!-- /.carrer_txt -->
25						</div><!-- /.carrer -->
26						<div class="personal">
27							<p class="desc">毎日HTML,CSS,Jsの学習をはじめ、エンジニアを目指しています。</p>
28							<p class="desc2">/////////////////////。//////////////////</p><!-- /.desc2 --><!-- 機械とのコミュニケーションは、"空気を読む"コミュニケーションはなく、動く or 動かない
29                                        のどちらかの解しかないため、結果の要因が存在し、模索することに楽しみを感じています。 -->
30							<p class="desc3">//////////////////////////////////////////////////////////////////////////,a,scdkchfugh7ey5</p><!-- /.desc3 -->
31							<p></p><!-- /.desc -->
32						</div><!-- /.personal -->
33					</div><!-- /.about-desc -->
34				</div><!-- /.about-txt -->
35			</div><!-- /.about-flex -->
36		</div><!-- /.container -->
37	</section><!-- /.about -->
38</body>
39</html>

CSS
1
2.about {
3  margin-top: 60px;
4}
5
6.about-ttl {
7  line-height: 3;
8  position: relative;
9  z-index: 1;
10  text-transform: capitalize;
11  font-size: 3.0rem;
12}
13
14.about-ttl::first-letter {
15  color: #c42d2d;
16}
17
18.about-ttl::after {
19  content: "について";
20  width: 10%;
21  height: 10%;
22  font-size: 1.8rem;
23  padding-top: 20px;
24  padding-left: 20px;
25}
26
27@media screen and (min-width: 600px) and (max-width: 1024px) {
28  .about-ttl {
29    font-size: 4.5rem;
30  }
31}
32
33@media screen and (max-width: 599px) {
34  .about-ttl {
35    font-size: 3.5rem;
36  }
37}
38
39.about-flex {
40  display: -webkit-box;
41  display: -webkit-flex;
42  display: -ms-flexbox;
43  display: flex;
44  -webkit-box-pack: justify;
45  -webkit-justify-content: space-between;
46      -ms-flex-pack: justify;
47          justify-content: space-between;
48  -webkit-box-align: center;
49  -webkit-align-items: center;
50      -ms-flex-align: center;
51          align-items: center;
52}
53
54@media screen and (max-width: 1025px) {
55  .about-flex {
56    display: -webkit-box;
57    display: -webkit-flex;
58    display: -ms-flexbox;
59    display: flex;
60    -webkit-box-orient: vertical;
61    -webkit-box-direction: normal;
62    -webkit-flex-direction: column;
63        -ms-flex-direction: column;
64            flex-direction: column;
65  }
66}
67
68@media screen and (max-width: 599px) {
69  .about-flex {
70    max-width: 100%;
71  }
72}
73
74.about-txt {
75  max-width: 43%;
76  margin-left: 7%;
77}
78
79@media screen and (max-width: 1025px) {
80  .about-txt {
81    max-width: 100%;
82  }
83}
84
85@media screen and (min-width: 600px) and (max-width: 1024px) {
86  .about-txt {
87    max-width: 63%;
88    margin-top: 7%;
89    margin-left: 0;
90    max-width: 80%;
91  }
92}
93
94@media screen and (max-width: 599px) {
95  .about-txt {
96    padding-top: 10%;
97    max-width: 100%;
98  }
99}
100
101.about-txt h3 {
102  font-size: 2.3rem;
103}
104
105@media screen and (max-width: 1025px) {
106  .about-txt h3 {
107    text-align: center;
108  }
109}
110
111@media screen and (min-width: 600px) and (max-width: 1024px) {
112  .about-txt h3 {
113    font-size: 2.9rem;
114  }
115}
116
117.about-desc {
118  max-width: 80%;
119}
120
121@media screen and (min-width: 600px) and (max-width: 1024px) {
122  .about-desc {
123    max-width: 100%;
124  }
125}
126
127@media screen and (max-width: 599px) {
128  .about-desc {
129    max-width: 100%;
130  }
131}
132
133.about-desc .career .history {
134  font-size: 2.3rem;
135  font-weight: bold;
136}
137
138.about-desc .career .carrer_txt {
139  font-size: 2.0rem !important;
140}
141
142.about-desc .career .carrer_txt .cmn-carrer_txt {
143  font-size: 2.4rem;
144  font-weight: bold;
145}
146
147.about-desc .personal {
148  font-size: 2.0rem;
149  padding-top: 10%;
150}
151
152@media screen and (min-width: 600px) and (max-width: 1024px) {
153  .about-desc .personal {
154    font-size: 2.2rem;
155  }
156}
157
158.about-desc .personal .desc {
159  padding-bottom: 4%;
160}
161
162@media screen and (min-width: 600px) and (max-width: 1024px) {
163  .about-desc .personal .desc {
164    padding-bottom: 5%;
165  }
166}
167
168@media screen and (max-width: 599px) {
169  .about-desc .personal .desc {
170    padding-top: 3%;
171  }
172}
173
174.about-desc .personal .desc2 {
175  padding-bottom: 4%;
176}
177
178@media screen and (min-width: 600px) and (max-width: 1024px) {
179  .about-desc .personal .desc2 {
180    padding-bottom: 5%;
181  }
182}
183
184@media screen and (max-width: 599px) {
185  .about-desc .personal .desc2 {
186    padding-top: 3%;
187  }
188}
189
190.about-desc .personal .desc3 {
191  padding-bottom: 4%;
192}
193
194@media screen and (min-width: 600px) and (max-width: 1024px) {
195  .about-desc .personal .desc3 {
196    padding-bottom: 5%;
197  }
198}
199
200@media screen and (max-width: 599px) {
201  .about-desc .personal .desc3 {
202    padding-top: 3%;
203  }
204}