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

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-image: url(https://www.interactivebrokers.com/images/web/Commissions-bg-900x495.jpg);
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: 100% 100%;
}

.wrapper {
    width: 750px;
    max-width: 750px;
    color: rgb(255, 255, 255);
    border-width: 1px;
    border-style: solid;
    border-color: #888;
    border-radius: 10px;
    overflow: auto;
    padding-bottom: 2%;
    padding-top: 2%;
    background-color: rgba(255, 255, 255, .1);
    box-shadow: 0 0 10px rgba(255, 255, 255, .2);
    backdrop-filter: blur(50px);
}
.wrapper h1 {
    font-size: 45px;
    text-align: center;
    font-weight: bold;
}

.wrapper h3 {
    font-size: 15px;
    text-align: center;
    width: 50%;
    margin: auto;
}

.wrapper .input-box {
    width: 45%;
    margin:2.5% 2.5% 0 2.5% ;
    float: left;
    font-size: 14px;

}

.wrapper .input-box input {
    width: 100%;
    float: left;
}

input {
    background-color: transparent;
    color: aliceblue;
    border: 1px solid rgba(255,255,255,.2);
}

input::placeholder {
    color: #ffffff;
}


.buttons-box {
    clear: both;
    margin: 2.5%;
    padding-top: 2.5%;
}

.input-box input, select {
    border-radius: 5px;
    flex: 1; 
    padding-left: 10px;
    height: 35px;
}

.radiobtn {
    margin-left: 3%;
}

.btnsub {
    text-align: center;
}
.btn {
    overflow: hidden;
    width: 70%;
    height: 45px;
    border-radius: 15px;
    background-color: #dbe0e5; 
    color: #000000;
    transition: background-color 0.3s ease, color 0.3s ease;
    margin: 10px auto; 
}
.btn:hover {
    background-color: #1a232e; 
    color: #fff; 
}


@media (max-width: 600px) {
    .wrapper .input-box {
        width: 95%; 
    }
    .wrapper h1 {
        font-size: 40px;
    }
    .input-box input,
    .input-box .select,
    .radio-input label,
    .radiobtn {
        font-size: 14px;
    }
    .span1{
        display: none;
    }
}


.input-box {
    position: relative;
}

.input-box input {
    padding-left: 30px;
}

.input-box i {
    position: absolute;
    left: 10px; 
    top: 50%;
    transform: translateY(-50%);
    color: #888; 
}

span {
    height: auto;
    color: red;
}