main.css

*{
    margin:0;
    padding: 0;
    box-sizing: border-box;
    font-family: montserrat, sans-serif;
}

body{
    padding:20px;
    min-width: 500px;
}

.wrapper{
    align-items: center;
    max-width: 500px;
}

.wrapper input{
    width: 100%;
    padding:10px;
    font-size: 17px;
    border: 1px solid black;
    border-radius: 4px;
    background-color:rgba(154, 228, 154, 0.747)
}

.wrapper input:focus{
    outline: none;
}

.btn-wrapper{
    align-items: start;
}

.btn-el{
    background:rgb(103, 177, 103);
    border:none;
    border-radius: 3px;
    padding:10px 20px;
    margin-top: 10px;
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 10px;;
}

.btn-el:active{
    transform: translate(1px,1px);
}

.clear{
    background-color: rgb(199, 85, 85);
}

ul li{
    list-style: none;
    margin:5px;
}