style.css

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


img{
    width: 100%;
}


.intro_section{
    /* background-color: #555; */
    height: 500px;
    margin: 20px 40px 0 40px;
}

.intro_section > img{
    width: 100%;
    height: inherit;
    object-fit: cover;
}

.content{
    margin-top: 20px;
    padding: 10px;
    margin-bottom: 30px;
}

.flex{
    display: flex;
    justify-content: center;

}

.flex-child{
    background-color: white;
    margin-right: 15px;
    width: 300px;
    box-shadow: 0 0 10px 5px rgba(0, 0, 0, 0.1);
}
.flex-child > h1{
    font-weight: lighter;
    font-size: 22px;
    margin-bottom: 20px;
    padding-left: 10px;
    
}

.flex-child > img{
    height: 250px;
}


.flex-child > .btn-wrapper{
    width: 200px;
    height: 30px;
    background-color: #555;
    margin: auto;
    margin-top: 15px;
    margin-bottom: 10px;
}

.flex-child > .btn-wrapper > button{
    width: inherit;
    height: inherit;
    border: none;
    border: 1px solid rgba(0, 0, 0, 0.2);
    
}

.flex-child > .btn-wrapper > button:hover{
    transition: all 700ms ease-in-out;
  background-color: crimson;
  color: #e1e1e1;
}