diff --git a/front/src/assets/explains.json b/front/src/assets/explains.json
index 9b45d0b7e490750264983caa39c776b96406a8db..e2021cf7351665f23d72de307831941cdc22a51e 100644
--- a/front/src/assets/explains.json
+++ b/front/src/assets/explains.json
@@ -1,6 +1,7 @@
 [
     {
-        "name": ""
+        "name": "Fit Ur Ring Today!",
+        "explains": "우측의 부위명을 클릭해서 각 근육에 대한 설명을 보세요. 검색 옵션으로 맞춤 영상을 찾아 새롭게 시도해 보세요. 영상 블록을 클릭하면 영상에 관한 세부 정보 열람 및 루틴 추가 기능을 사용하실 수 있습니다. 오늘도 즐겁게 운동하세요!"
     },
     {
         "id" : "calf",
diff --git a/front/src/components/HabitTracker/SideBar.jsx b/front/src/components/HabitTracker/SideBar.jsx
index 4b05abf47ac6c9f5a29da546fd3f22170413a27d..143d20a8464848f208be5ca5f27304c6d31edf98 100644
--- a/front/src/components/HabitTracker/SideBar.jsx
+++ b/front/src/components/HabitTracker/SideBar.jsx
@@ -111,7 +111,7 @@ function SideBar({side, day, records, onDetail}){
         goal_weekly: null,
         goal_daily: [null, null, null, null, null, null, null],
         goal_daily_time: '00:00',
-        goal_weight: null,}
+        goal_weight: 0,}
     );
     const [user, setUser] = useState({
         user_id: null,
diff --git a/front/src/components/common/Thumbnails.jsx b/front/src/components/common/Thumbnails.jsx
index 0458d00bc16ca7618f73e419643c9ba050c185b2..03794c3d93f6d6749bb5bd14f19d84f2694ed98c 100644
--- a/front/src/components/common/Thumbnails.jsx
+++ b/front/src/components/common/Thumbnails.jsx
@@ -1,8 +1,12 @@
 import react from 'react';
 
 function Thumbnails({video_id, video_title, mode}){
+    function handleClick(){
+        const url = `https://youtu.be/${video_id}`;
+        window.open(url, '_blank', 'noopener noreferrer');
+    }
     return (
-        <img className={`thumbnails-${mode}`} src={`https://img.youtube.com/vi/${video_id}/${mode}.jpg`} alt={video_title}/>
+        <img onClick={handleClick} className={`thumbnails-${mode}`} src={`https://img.youtube.com/vi/${video_id}/${mode}.jpg`} alt={video_title}/>
     )
 }
 
diff --git a/front/src/components/index.css b/front/src/components/index.css
index db03726db9128656670ac7cc07edac5836b5f6a7..1f07ab214dfd91d6a5766fa7dbc0746e52830305 100644
--- a/front/src/components/index.css
+++ b/front/src/components/index.css
@@ -150,7 +150,7 @@ ul{
 }
 
 #timeSelection input{
-    width: 2em;
+    width: 2.5em;
 }
 
 #videoSelection h3{
@@ -163,6 +163,7 @@ ul{
 
 #searchResults{
     background-color: #FFFFFF;
+    bottom: 0;
 }
 
 #videoLists{
@@ -243,17 +244,14 @@ input[type='date']{
     font-size: large;
     font-weight: bold;
 }
-input[type='radio']{
+#radio[type='radio']{
     min-width: 1rem;
     width: 2em;
     height: 2em;
     margin: 1em;
 }
 
-input[type='radio']:checked {
-    -webkit-appearance: none; 
-    -moz-appearance: none; 
-    appearance: none;
+#radio[type='radio']:checked {
     background-color: #B87EED; 
     border: 0.3em solid #FFFFFF; 
 }
@@ -310,3 +308,9 @@ input[type='radio']:checked {
     background-color: lightgray;
     margin: 10px;
 }
+
+#level{
+    width: 1em;
+    height: 1em;
+    margin: 10px;
+}
diff --git a/front/src/components/user/SignUp.jsx b/front/src/components/user/SignUp.jsx
index 811b7e0e75872ad8831c94bc5de2e903889ae0ba..2e1e3f098a6e4edfee1a2dc3780397abf66b59b6 100644
--- a/front/src/components/user/SignUp.jsx
+++ b/front/src/components/user/SignUp.jsx
@@ -61,9 +61,9 @@ function SignUp(){
                         onChange={(e) => setEmail(e.target.value)}></input>
                 <div className='inputbox'>
                     <label>남</label>
-                    <input type="radio" name="gender" value={"male"} onChange={(e) => setGender(e.target.value)}></input>
+                    <input id="radio" type="radio" name="gender" value={"male"} onChange={(e) => setGender(e.target.value)}></input>
                     <label>여</label>
-                    <input type="radio" name="gender" value={"female"} onChange={(e) => setGender(e.target.value)}></input>
+                    <input id="radio" type="radio" name="gender" value={"female"} onChange={(e) => setGender(e.target.value)}></input>
                 </div>
                 <div className='inputbox'>
                     <label>생년월일</label>
diff --git a/front/src/components/workout/VideoDetails.jsx b/front/src/components/workout/VideoDetails.jsx
index e34aaadb81bd73f3bf39d5777119c2145fb7ed5d..9c0d752f3eef15a90dc9e81398823e505d50d2a2 100644
--- a/front/src/components/workout/VideoDetails.jsx
+++ b/front/src/components/workout/VideoDetails.jsx
@@ -22,7 +22,6 @@ function VideoDetails({video, routines}) {
     return (
         <div className='videoDetails'>
         <Thumbnails video_id={video.video_id} video_title={video.video_title} mode="maxresdefault" />
-            {/*머있어야되지,, 일단  드롭다운 메뉴에서 루틴 선택하기 루틴에 추가하는 API부르기*/}
             <div className='left-align'>
                 <h2>{video.video_title}</h2>
                 <span className='details'>{video.channel_title}</span>
diff --git a/front/src/components/workout/VideoSelection.jsx b/front/src/components/workout/VideoSelection.jsx
index 8ace8a131a5820cdb8257979b5734e7040782f0f..40bdd2826b7da27f82986b8d6ed1dfc92c1d0c04 100644
--- a/front/src/components/workout/VideoSelection.jsx
+++ b/front/src/components/workout/VideoSelection.jsx
@@ -67,32 +67,32 @@ function VideoSelection({dispatch, setSelected}){
 
     return (
         <div id="videoSelection" className="col center">
-                <div className='col padding'>
+                <div className='col'>
                     <h3>난이도</h3>
                     <label>상
-                        <input type="radio" value="advanced" name="level" onClick={handleLevel} checked={currentLevel === 'advanced'} ></input>
+                        <input id="level" type="radio" value="advanced" name="level" onClick={handleLevel} checked={currentLevel === 'advanced'} ></input>
                     </label>
                     <label>하 
-                        <input type="radio" value="beginner" name="level" onClick={handleLevel} checked={currentLevel === 'beginner'}></input>
+                        <input id="level" type="radio" value="beginner" name="level" onClick={handleLevel} checked={currentLevel === 'beginner'}></input>
                     </label>
                 </div>
-                <div id="timeSelection" className="col center padding">
+                <div id="timeSelection" className="col center">
                     <h3>시간</h3>
                     <span> 
-                    <input type="number" name="startMin" onChange={handleChange} min={0}></input>
+                    <input type="number" name="startMin" onChange={(e) => setStartMin(parseInt(e.target.value))} min={0} defaultValue={0}></input>
                     {/* <input type="number" name="start"  value={startMin !== null ? startMin : ""}
                     onChange={(e) => {
                         const value = e.target.value;
                         setStartMin(value === "" ? null : parseInt(value, 10));
                     }}></input> */}
                     <span> 분</span>
-                    <input type="number" name="start" onChange={(e) => e.target.value === 0 ? setStartSec(null) : setStartSec(e.target.value)} min={0}></input>
+                    <input type="number" name="start" onChange={(e) => setStartSec(parseInt(e.target.value))} min={0} defaultValue={0}></input>
                     <span> 초</span>
                     </span>
                     <span> ~
-                    <input type="number" name="end" onChange={(e) => e.target.value === 1440 ? setEndMin(null) : setEndMin(e.target.value)} min={0}></input>
+                    <input type="number" name="end" onChange={(e) => setEndMin(parseInt(e.target.value))} min={0} defaultValue={1440}></input>
                     <span> 분 </span>
-                    <input type="number" name="start" onChange={(e) => e.target.value === 0 ? setEndSec(null) : e.target.value} min={0}></input>
+                    <input type="number" name="start" onChange={(e) => setEndSec(parseInt(e.target.value))} min={0} defaultValue={0}></input>
                     <span> 초</span>
                     </span>
                     <p>{warning}</p>
diff --git a/front/src/pages/Workout.jsx b/front/src/pages/Workout.jsx
index 5d5a618cfd7fbdfa00ac849749b79d93698e7a85..49e907dd55fa1a973145705f9b9799944186e537 100644
--- a/front/src/pages/Workout.jsx
+++ b/front/src/pages/Workout.jsx
@@ -82,14 +82,13 @@ function Workout(){
             case 'tag': {
                     const newFilter = {...filter, video_tag: action.tag};
                     console.log(newFilter);
-                    return newFilter;
+                    return newFilter;   
             }
             case 'time': {
                 const newFilter = {...filter, video_time_from: action.start, video_time_to: action.end};
                 return newFilter;
             }
             case 'level':{
-                //레벨 다시 눌렀을때 없어질 수 있어야함...
                 const newFilter = {...filter, video_level: action.level};
                 return newFilter;
             }
diff --git a/front/src/pages/index.css b/front/src/pages/index.css
index 4ef7bee642fb442da19014dfccd285be78c79768..c8c48eaa1c9d6ad404d4826a007a19539cc29643 100644
--- a/front/src/pages/index.css
+++ b/front/src/pages/index.css
@@ -175,7 +175,7 @@ input::placeholder{
 #explains{
     margin: 10px;
     padding: 10px;
-    max-height: 15em; 
+    height: 15em;
     overflow-y: scroll; 
 }