Can anyone help me understand why the bottom left and right edge borders are fading in my design? I want to work on this picture, but I can't figure out why the border-radius in my code is fading.
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<div class="navCenter">
<button class="btn-loging"><span style="color: white;">LOGIN</span></button>
</div>
.navCenter {
width: 228px;
height: 73px;
position: absolute;
left: 847px;
display: flex;
border-left:1px solid ;
border-right:1px solid ;
border-bottom:1px solid;
border-image: linear-gradient(180deg, rgba(232, 232, 232, 0.308), rgba(232, 232, 232, 1)) 1;
border-radius: 0px 0px 15px 15px;
opacity: 0.57;
align-items: center;
background: radial-gradient(48.32% 109.64% at 50% 49.4%, rgba(231, 231, 231, 0.22) 0%, rgba(0, 0, 0, 0.00) 100%), rgba(255, 255, 255, 0.04);
justify-content: center;
}
.btn-loging {
width: 93px;
height: 38px;
background: linear-gradient(135deg, #e5a475, #e5a47500);
font-weight: bolder;
border-radius: 5px;
border-color: #e5a475;
border-width: 1.5px;
box-shadow: 0px 0px 24px 0px #e5a47555;
}