edit.css

*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body{
    background-color: violet;
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}
.section{
    height: 500px;
    width: 600px;
   
}
.col{
    background-color: white;
    width: 100%;
    border-radius: 5px;
    box-shadow: black 0px 5px 15px;
    padding: 5px;
}
.box{
    display: inline-block !important;
    padding: 0 5px;
}
.first{
    border-right: 2px solid #40576d33;
}
input[type=number]{
    border: none;
    outline: none;
    width: 50px;
    color: #131c35;
    font-size: 24px;
    padding: 10px 0px;
    margin-left: 10px;
}
.second{
    border-right: 2px solid #40576d33;
}
button{
    border: none;
    color: #131c35;
    font-size: 20px;
    font-weight: 300;
    background: transparent;
    padding: 10px 16px;
    border-radius: 3px;
    cursor: pointer;
    user-select: none;
}
button:hover{
    background-color: #40576d1a; 
}
button:active{
    background: #73b1e333;
    color: #5271ff;
}
.third{
    border-right: 2px solid #40576d33;
}
.third button:focus{
    background: #73b1e333;
    color: #5271ff;
}
input[type=color]{
    width: 35px;
    outline: none;
    border: none;
    background: none;
}
textarea{
    width: 100%;
    height: 350px;
    padding: 10px;
    border-radius: 3px;
    outline: none;
    border: none;
    resize: vertical;
}