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

html,
body {
    width: 100%;
    height: 100%;
}

body {
    overflow-x: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    width: 100%;
    height: 100%;
    background-color: #E8ECEF;
}

h1 {
    font-size: 35px;
    margin-bottom: 20px;
}

.form {
    background-color: white;
    padding: 20px;
    border-radius: 20px;
    width: 800px;
    box-shadow: 0px 0px 20px rgba(0, 0, 0, 0.3);
}

input {
    font-size: 23px;
    margin: 10px;
    width: 100%;
    padding: 10px;
    border-radius: 10px;
    background-color: #e8ecefe5;
    border: none;
}

.input-set {
    display: flex;
    align-items: center;
    justify-content: center;
}

.email-set {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.form button {
    width: 100%;
    font-size: 20px;
    padding: 10px;
    border-radius: 10px;
    background-color: #0e33dae5;
    border: none;
    color: white;
    font-weight: 700;
    cursor: pointer;
}

.form button:active {
    scale: .9;
}


.table {
    margin-top: 50px;
    background-color: white;
    padding: 20px;
    border-radius: 20px;
    width: 800px;

}

table {
    width: 100%;
    text-align: center;
}
table tr th,
td {
    padding: 15px 0;
    font-size: 18px;
    border-bottom: 1px solid rgb(128, 124, 124);
}
table tr th{
    font-size: 20px;
}
table i{
    font-size: 23px;
    margin: 0 5px;
    cursor: pointer;
}
.ri-edit-2-line{
    color: green;
}
.ri-delete-bin-6-line{
    color: rgb(216, 5, 5);
}

@media screen and (max-width: 830px) {
    .form, .table{
        width: 90%;
    }
    table thead th{
        font-size: 15px;
    }
    table tbody td{
        font-size: 13px;
    }
    table i {
        font-size: 13px;
    }
}

@media screen and (max-width: 600px) {
   .email-set{
    flex-wrap: wrap;
   }
   input, .email-set button{
    font-size: 16px;
   }
   h1{
   font-size: 28px;
   padding: 0 10px;
   text-align: center;
   }
   .email-set button{
    margin-top: 10px;
   }
}

@media screen and (max-width: 420px) {
    .table table th{
        font-size: 12px;
    }
}