* {
    box-sizing: border-box;
}

body {
    background-color: aliceblue;
    font-family: "Roboto", sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    overflow: hidden;
    margin: 0;
}

.contianer {
    text-align: center;
    font-size: 14px;
}

.progress-container {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-bottom: 30px;
    max-width: 100%;
    width: 350px;
}

.progress-container::before {
    content: '';
    background-color: #cacaca;
    height: 3px;
    width: 100%;
    position: absolute;
    top: 50%;
    left: 0;
    z-index: -1;
    transition: .4s ease;
    -webkit-transition: .4s ease;
    -moz-transition: .4s ease;
    -ms-transition: .4s ease;
    -o-transition: .4s ease;
    transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -o-transform: translateY(-50%);
}


.progress {
    background-color: #7ba9ff;
    height: 3px;
    width: 0%;
    position: absolute;
    top: 50%;
    left: 0;
    z-index: -1;
    transition: .4s ease;
    -webkit-transition: .4s ease;
    -moz-transition: .4s ease;
    -ms-transition: .4s ease;
    -o-transition: .4s ease;
    transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -o-transform: translateY(-50%);
}

.circle {
    background-color: #fff;
    color: #cacaca;
    border: 3px solid;
    border-radius: 50%;
    height: 30px;
    width: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
    -o-border-radius: 50%;
    transition: .4s ease;
    -webkit-transition: .4s ease;
    -moz-transition: .4s ease;
    -ms-transition: .4s ease;
    -o-transition: .4s ease;
}

.circle.active {
    border-color: #7ba9ff;
}

.btn {
    background-color: #7ba9ff;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
    margin: 2.5%;
    padding: 2.2% 7%;
    color: #fff;
    border: none;
    cursor: pointer;
}

.btn:active {
    transform: scale(.98);
    -webkit-transform: scale(.98);
    -moz-transform: scale(.98);
    -ms-transform: scale(.98);
    -o-transform: scale(.98);
}

.btn:focus {
    outline: none;
}

.btn:disabled {
    background-color: #cacaca;
    cursor: not-allowed;
}