body{
    margin: 0;
    padding: 0 20px;
    font-family: 'Roboto', sans-serif;
}
div{
    box-sizing: border-box;
}
.head{
    padding-top: 30px;
    width: 100%;
    max-width: 600px;
    margin: auto;
}
.main{
    padding-top: 20px;
    width: 100%;
    max-width: 600px;
    margin: auto;
    display: flex;
    align-items: center;
    flex-direction: column;
}
.btn1{
    width: 200px;
    height: 40px;
    background-color: #3773f5;
    color: #fff;
    border: none;
    outline: none;
    border-radius: 20px;
    cursor: pointer;
    margin-bottom: 20px;
    transition: all .4s !important;
}
.btn1:hover{
    background-color: #2367fb !important;
}
.p2{
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    display: none;
}
.btn2{
    margin-top: 20px;
}

.btn3{
    opacity: 0;
    pointer-events: none;
    height: 0 !important;
    margin-bottom: 40px;
}