HTML中两个行类之间的间隔（角）

<div >
    <h1>
        New Patient Record
    </h1>
</div>
<div class="row" style="padding-bottom: 0px;">
<div class="column"></div>
<div class="column">
<label > <strong>Date</strong> </label>
<input type="date"   name="date" id="date"  class="form-control" [(ngModel)]="institutes.date">
</div>
</div>
<div class="row" style="padding-top:0px" >
        <div class="container" style="padding-left: 7.5%" >
            <form #institutesForm="ngForm" (ngSubmit)="instituteLogins(institutesForm)">
                    <div class="form-group">
                            <div class="row">
                                    <div class="column">             
                                            
                       
        <h2><strong> Symptoms</strong> </h2>
        <input type="text"  name="symtoms" id="symtoms"   class="form-control"[(ngModel)]="institutes.symtoms">
        
        <br>
        <h2><strong>Diagnosis</strong></h2>
        
        <label> <strong>Condition</strong> </label>
        <input type="text"  name="condition" id="condition"   class="form-control"[(ngModel)]="institutes.condition">
        <label><strong> Advice </strong></label>
        <input type="text"  name="advice" id="advice"   class="form-control"[(ngModel)]="institutes.advice">
        <br>
        
    </div>
    <div class="column">
        <h2> <strong>Prescription</strong> </h2>
        <br>
        <label><strong> Medication </strong></label>
        <input type="text"  name="medication" id="medication"   class="form-control"[(ngModel)]="institutes.medication">
        <label><strong> Medicine Type </strong></label>
        <input type="text"  name="type" id="type"   class="form-control"[(ngModel)]="institutes.type">
        <label><strong>Course</strong></label>
        <input type="text"  id="course" name="course"  class="form-control"[(ngModel)]="institutes.course">
        <label><strong> How many per day? </strong></label>
        
        
        <input type="text"  name="cday" id="cday"   class="form-control"[(ngModel)]="institutes.cday">
        <br>
    </div>
    <div class="row">
        <div class="column"></div>
        <div class="column">
        <button id="record"  class="btn btn-primary" type="submit" >Add Record</button>
    </div>
</div>
   
       </div>
        <br><br>
        
                    </div>
                     </form>
                    
    </div>

.modal-dialog.cascading-modal.modal-avatar .modal-header img {
    width: 130px;
    margin-left: auto;
    margin-right: auto;
}

.modal-dialog.cascading-modal.modal-avatar .modal-header {
    margin: -6rem 2rem -1rem 2rem;
}
.More{
    color: blue;
    margin-right: 100px;
}
.column{
    margin : 100px;
}
.row{
    margin:0;
    padding:0;
    align-items: baseline;
}